Project to list known Error coins

By on 9th August 2018

It’s about time there was an attempt to list known UK decimal error coins. I need your help to point out coins that I may have missed or simply don’t know about yet.

Due to their random nature and never ending task of listing and describing them all, I’m not really interested in:

Clipped planchet errors or damaged planchets (including lamination errors).
Blank planchets, unless attributed to a exact coin type and date.
Die cracks, chips or cuds, unless very distinctive and already collected varieties. For example the digit ‘1’ on some 2008 20p’s, cat on mast on the 2015 Navy £2 etc.

I am very interested in listing the following:

See my Error coins, an Introduction post which lists many types of errors numbered from 1 to 27 , the kinds of things I’m most interested in listing are…

Well known die chips and distinctive cuds (some of no.1), partial collar errors (no.5A), broadstrikes (no.5B), known die clash errors (no.7), coins struck with a rotated die (no.17), doubled details but not die-wear related (some of no.18), mis-alligned centre pills (no.20), brockages and die caps (no.22), mules (no.24), off-centre strikes (no.25), wrong planchets including incorrect mono planchets for bi-metallic coins (no.26) and mixed denomination coins (no.27).

Info and good quality pictures are welcome to info@checkyourchange.co.uk

This table contains over 250 error coins. Some pictures are provided (all I have available for 2p – £2) on this page: Error Coins – Images. 

Numbering: Each coin has a six character reference number, which will help me sort and name the images of them. The first 3 characters denote the denomination. The last three digits are just a number between 001 and 999 (that should be enough numbers per denomination!) – the number increases by 1 for each confirmed error coin, so this number will eventually not be in date order, it is simply a unique reference assigned to each type of error coin.

Ref No. Denom Date Type Error Notes Weight Dia Scarcity opinion
0HP001 Half Penny 1971 Standard Double headed Double headed coin, probably a trial. Ref DNW Tansley collection. 1.84g Normal 1 known
0HP002 Half Penny 1971 Standard Strike through? Investigate further. Ref London Coins Auction 151, lot 1955. £30 Unknown Unknown
0HP003 Half Penny ND Standard Double tail Double tailed coin, probably a trial. NEW PENNY rev, so 1971-81. Ref DNW Tansley collection. 1.8g Normal 1 known
01P001 Penny 1971 Portcullis Wrong planchet Struck on a brass planchet, details not known. Unknown Unknown 1 known
01P002 Penny 1971 Portcullis Wrong planchet Struck on a light or incorrect planchet. 2.27g 19.6mm 1, probably more
01P003 Penny 1971 Portcullis Wrong planchet/trial Struck in brass. Ref DNW Tansley collection. 3.07g Normal 1 known
01P004 Penny 1976 Portcullis Odd rounded rim Odd, investigation required. Ref London Coins Auction 142, lot 1714. Unknown Unknown 1 known
01P005 Penny 1978 Portcullis Wrong planchet/trial Struck on a heavy flan. Ref DNW Tansley collection. 4.42g Normal 1 known
01P006 Penny 1985 Portcullis Wrong planchet Said to have been struck on a Hong Kong Dollar. Unknown Unknown 1 known
01P007 Penny ND Portcullis Wrong planchet Struck on a light or incorrect planchet. Maklouf portrait so 1992-97. Date off flan. Ref London Coins Auction 158, lot 798. £55. 1.94g 17.5mm 1, possibly more
01P008 Penny 1993 Portcullis Wrong planchet Struck on a light or incorrect planchet. Magnetic core. 1.75g 18.35 – 18.5mm 1, possibly more
01P009 Penny 1998 Portcullis Wrong planchet Struck on a light or incorrect planchet. Magnetic core. An example aslo noted at 2.36g. 2.42g 18 – 18.4mm 2, possibly more
01P010 Penny 1999 Portcullis Rotated die Die rotated, alignment out by about 45 degrees. Normal Normal 1, probably more
01P011 Penny 2008 Shield section Rotated die Die rotated, alignment out by 180 degrees. Ref Michael Gouby? Normal Normal 1 known
01P012 Penny 2011 Shield section Wrong planchet Struck on Solomon Islands 1c planchet. PCGS cert 34511781. Unknown Unknown 1 known
01P013 Penny 2011 Shield section Wrong planchet? Irregular shaped, weight not known. Ref London Coins Auction 140, lot 1287. £15 (3 coins) Unknown Unknown 3 known, possibly more
02P001 Two Pence 1979 Feathers Wrong planchet Struck on a silver coloured scalloped planchet made for a foreign coin, further details not known. Unknown Unknown 1 known
02P002 Two Pence 1980 Feathers Wrong planchet Struck on a cu-ni planchet. Ref London Coins Auction 151, lot 1956. £80. 6.47g Unknown 1 known
02P003 Two Pence 1980 Feathers Wrong planchet Struck on a light or incorrect planchet. Ref London Coins Auction 152, lot 655. £20. Unknown Unknown 1 known
02P004 Two Pence 1983 Feathers Mule With incorrect ‘NEW PENCE’ reverse. Originally in sets only. Normal Normal 500+?
02P005 Two Pence 1985 Feathers Wrong planchet Struck on an incorrect cu-ni planchet. Ref London Coins Auction 152, lot 656. £200. 6.01g Normal? 1 known
02P006 Two Pence 1992 Feathers Wrong planchet Struck on a light or incorrect planchet. Magnetic, so assumed copper plated steel. 4.52g 1 known
02P007 Two Pence ND Feathers Wrong planchet Struck on a light or incorrect planchet. Magnetic core, Maklouf portrait so 1992-97, date off flan. 2.3g 18.6mm 1, possibly more
02P008 Two Pence 1997 Feathers Wrong planchet Struck on a magnetic copper coloured scalloped planchet made for a foreign coin. 6.3g 1 known
02P009 Two Pence 1998 Feathers Wrong planchet Struck on a light or incorrect planchet. Magnetic, so assumed copper plated steel. 3.46g 1 known
02P010 Two Pence 1999 Feathers Wrong planchet Said to have been struck on a penny planchet (weight unknown). Also similar examples at 3.12g (possibly a Gambia 5 Bututs planchet), 3.19g, 3.25g and 3.56g. Various Unknown A few known
02P011 Two Pence 2004 Feathers Wrong planchet Struck on a light or incorrect planchet, possibly one intended for a penny. Unknown Unknown 1, possibly more
02P012 Two Pence 2009 Shield section Wrong planchet Said to have been struck on a penny planchet. Unknown Unknown 1 known
02P013 Two Pence 2015 Shield section Distinctive die chip Small obv die chip resulting in a raised area of damage between the rim and the ‘I’ in FID. Normal Normal A few known, probably many
02P014 Two Pence 2015 Shield section Wrong planchet Struck on silver coloured planchet that does not appear to be steel. Ref London Coins Auction 155, lot 2154. £130. 6.52g Unknown 1, possibly more
05P001 Five Pence 1990 Thistle Partial collar error Normal Normal 1, probably more
05P002 Five Pence 1990 Thistle Struck off-centre A little off centre on both sides with corresponding thicker rim section. Normal Normal 1, probably more
05P003 Five Pence 1995 Thistle Wrong planchet On what appears to be a copper coloured and previously shaped planchet, likely a Hong Kong planchet. Unknown Unknown 1 known
05P004 Five Pence 2000 Thistle Broadstrike Not quite centred, appears to be a broadstrike (i.e. without collar). Ref London Coins Auction 150, lot 815. Normal Unknown 1, possibly more
05P005 Five Pence 2001 Thistle Broadstrike Not quite centred, appears to be a broadstrike (i.e. without collar). Ref London Coins Auction 150, lot 815. Normal Unknown 1, possibly more
05P006 Five Pence 2001 Thistle Wrong planchet Struck on a light or incorrect planchet. Ref London Coins Auction 150, lot 815. 2.26g Unknown 1, possibly more
05P007 Five Pence 2008 Shield section Rotated die Die rotated, alignment out by up to 180 degrees. Normal Normal Probably many
05P008 Five Pence 2009 Shield section Deeper millings With deeper pronounced rim milling, reason unknown Unknown Unknown 1, possibly more
05P009 Five Pence 2014 Shield section Wrong planchet Struck on a bronze planchet (XRF tested 97% cu, 2.5% zn, 0.5% sn), thought to be a Trinidad and Tobago 1c planchet. 2 known, 1 has unreadable date (PCGS cert 34619445). 1.96g 17.75mm 1, possibly 2 (same date)
05P010 Five Pence ND Thistle Struck off-centre About 25-30% off the coin is off the planchet. NEW PENCE reverse so 1968-81. Date not present. Normal Normal 1 known
05P011 Five Pence ND Shield section Wrong planchet Struck on a steel planchet. Date not clearm shield and 4th portrait so 2008-15. PCGS cert 35196663. 2.15g Unknown 1 known
10P001 Ten Pence 1968 Lion Partial collar error Normal Normal 1, probably more
10P002 Ten Pence 1968 Lion Rotated die Die rotated, alignment out by up 120 degrees. PCGS certs 34511779, 34316185. Normal Normal 2, probably more
10P003 Ten Pence 1970 Lion Broadstrike on straight clip Appears to be a broadstrike on a straight clip planchet. Ref London Coins Auction 150, lot 815. Unknown Unknown 1 known
10P004 Ten Pence 1970 Lion Odd wide rim Broadstrike, odd, investigation required. Ref London Coins Auction 143, lot 791. £55. Unknown 31mm 1 known
10P005 Ten Pence 1970 Lion Wrong planchet Struck on a Vietnam 10 dong planchet. PCGS cert 35196662. 5g? Unknown 1 known
10P006 Ten Pence 1970 Lion Double struck 2nd strike just caught the edge on ELIZABETH. Very irregular shape as a result/ Normal 1 known
10P007 Ten Pence 1975 Lion Broadstrike Broadstrike, a little off-centre. Ref London Coins Auction 146, lot 1706. £34. Unknown 30mm 1, possibly more
10P008 Ten Pence 1979 Lion Rotated die Die rotated, alignment out by more than 180 degrees. Normal Normal 1, possibly more
10P009 Ten Pence 1992 Lion Wrong planchet Most probably 1992, date a little off flan. XRF test: 100% Iron. Possibly 1p steel core? 3.21g 1 known
10P010 Ten Pence 1992 Lion Wrong planchet Struck on a smaller, lighter planchet that weighs the same as the old large 5p, XRF result 75% Cu, 25% Ni. Also seen on 5.49g planchet – Bahrain 50 Fils? 5.65g 23.4mm 1, possibly more
10P011 Ten Pence 1997 Lion Wrong planchet Struck on a smaller, lighter planchet. XRF test 75% Cu, 25% Ni. 5.4g 22.4mm 1, possibly more
10P012 Ten Pence 2009 Lion Mule With incorrect Lion type reverse instead of shield section. Originally in ?baby? sets only. Normal Normal 3 known
10P013 Ten Pence 2009 Shield section Partial collar error Also a little off centre as a result. Normal Normal 1, probably more
10P014 Ten Pence 2013 Shield section Partial collar error Roughly half milled and half plain (horizontally) edge. Normal Normal Probably many
10P015 Ten Pence 2014 Shield section Partial collar error Also a little off centre as a result. Normal Normal 2, probably more
10P016 Ten Pence 2014 Shield section Distinctive cud Triangle shaped reverse cud extending into body of lower lion. Normal Normal Common
10P017 Ten Pence 2016 Shield section Collar error No milling on edge. Normal Normal Probably many
20P001 Twenty Pence 1982 Rose Partial collar error? Probably a partial collar error. Detail unknown. Ref London Coins Auction 144, lot 1032. £32. Unknown Unknown 1, probably more
20P002 Twenty Pence 1982 Rose Wrong planchet Struck on an incorrect brass coloured planchet. Ref London Coins Auction 154, lot 593. £65 with blank £1. 1.85g 20mm 1, possibly more
20P003 Twenty Pence 1983 Rose Partial collar error (assumed). Very rounded shape, edge could not be properly seen. Unknown Unknown 1, possibly more
20P004 Twenty Pence 1990 Rose Wrong planchet Struck on a copper coloured planchet, with RM letter but no further details known. Could be a penny blank, or something foreign? Unknown Unknown 1, possibly more
20P026 Twenty Pence 1990 Rose Wrong planchet Struck on a magnetic copper coloured light planchet. Possibly for a foreign coin, possibly a piece of scrap. Investigation needed. 2.6g 17mm 2, possibly more
20P005 Twenty Pence 1993 Rose Wrong planchet Struck on a light or incorrect planchet. Ref London Coins Auction 155, lot 2152. £65. 3.18g 19.5mm 1, possibly more
20P007 Twenty Pence 1995 Rose Partial collar error Collar not engaged, raised rim around the edge. Normal 1, probably more
20P008 Twenty Pence 1998 Rose Wrong planchet Appears to be on a (steel core?) 1p planchet. £200 2016. Unknown Unknown A couple reported
20P009 Twenty Pence 2002 Rose Rotated die Slight rotation of obverse die, design points not lined up with shape. Normal Normal Probably many
20P010 Twenty Pence 2003 Rose Wrong planchet Struck on a light or incorrect planchet. XRF tested as 85% cu, 15% ni (correct alloy for a 20p). 4g Normal A couple reported
20P011 Twenty Pence 2003 Rose Wrong planchet Struck on an steel planchet (XRF over 98% fe). Possibly the steel core of a 1p? 3.34g Normal A couple reported
20P006 Twenty Pence 2004 Rose Wrong planchet Struck on Gambia 20 bututs (not a blank, a finished coin!) Unknown Unknown 1 known
20P012 Twenty Pence 2005 Rose Rotated die Slight rotation of obverse die, design points not lined up with shape. Normal Normal Probably many
20P013 Twenty Pence 2006 Rose Distinctive cud Where? Normal Normal Probably many
20P014 Twenty Pence 2006 Rose Overstruck on finished 1p Overstruck on a previously struck 1p coin. Date of the 1p not clear. Unknown Unknown 1 known
20P015 Twenty Pence 2008 Shield section Distinctive die chip With digit ‘1’ shaped die chip on bottom of reverse. Normal Normal A few known
20P016 Twenty Pence 2008 Shield section Mule Undated mule, using the incorrect previous obverse die. Normal Normal 100,000+
20P017 Twenty Pence 2008 Shield section Brockage (obverse) Nice example of a modern brockage. Ref London Coins Auction 136, lot 1571. £170. Normal 1 known
20P018 Twenty Pence 2009 Shield section Partial collar error Also a little off centre as a result. Normal Normal A few, probably many
20P019 Twenty Pence 2009 Shield section Distinctive die chip With digit ‘1’ shaped die chip on bottom of reverse (same die as the 2008 similar error?) Normal Normal A couple reported
20P020 Twenty Pence 2010 Shield section Distinctive die chip With digit ‘1’ shaped die chip on bottom of reverse. Reported, but not 100% confirmed Normal Normal 1 reported
20P021 Twenty Pence 2011 Shield section Wrong planchet Very similar appearance to the other 2011 20p wrong planchet. Claimed on a Solomon ’20p’. PCGS cert 34511777. Unknown Unknown May be same as other
20P022 Twenty Pence 2011 Shield section Wrong planchet Struck on what is most likely a 5p planchet. XRF 77% cu, 23% ni. (a few others known but not examined) 3.27g 19.5mm A few known
20P023 Twenty Pence 2014 Shield section Wrong planchet Struck on a Malawi 1 Kwacha planchet (assumed stainless steel). PCGS cert 35196661 2.83g? Unknown 1 known
20P024 Twenty Pence ND Shield section Wrong planchet Appears to be struck on a 1p blank. 4th portrait so 2008-15. Date off planchet. Normal Normal 1, possibly more
20P025 Twenty Pence ND Shield section Wrong planchet Struck on a Bermuda 5c planchet, date not fully clear, 2008 or 2009. PCGS cert 35196657. 5g 1 known
50P001 Fifty Pence 1969 Britannia Double headed With two Royal Mint letters. Probably some kind of experiment! Ref London Coins Auction 135, lot 1305. £200 Normal Normal 1 known
50P050 Fifty Pence 1969 Britannia Brockage (obverse) Well struck, well centred obverse brockage. Normal Normal 1 known
50P002 Fifty Pence 1969 Britannia Partial collar error Collar not properly engaged, raised rim around the edge. Normal Normal A few known
50P003 Fifty Pence 1978 Britannia Broadstrike Well centred, no collar present. Normal Normal 1 known
50P004 Fifty Pence 1980 Britannia Double struck 2nd strike a little rotated and 50% on flan. Normal 1 known
50P005 Fifty Pence 1980 Britannia Wrong planchet Appears to have been struck on a 10p planchet. 11.36g 1 known
50P006 Fifty Pence 1982 Britannia Double struck 2nd strike completely on flan, a little rotated. Also struck not properly within collar. CGS ref 28771. Normal Normal 1 known
50P007 Fifty Pence 1982 Britannia Broadstike/rotated Broadstrike? Rotated dies? Not sure. Ref London Coins Auction 146, lot 1723. Unknown 31mm 1 known
50P008 Fifty Pence 1997 Britannia (small) Rotated die (collar) Both sides rotated so that the design points do not match the actual shape points. Irregular shape, poss broadstrike. Normal Normal 1 known
50P009 Fifty Pence 1997 Britannia (small) Partial collar error Collar not engaged, raised rim around the edge. Normal Normal 3 known, probably many
50P010 Fifty Pence 1997 Britannia (small) Wrong planchet Struck on a 5.01g planchet, likely intended for a 20p. Ref London Coins Auction 145, lot 1157, £60. Another seen, virt identical and tested as 85% Cu, 15% Ni. 5.01 24.2mm 2 known
50P011 Fifty Pence 1998 Britannia Triple struck 2nd strike very offset, 3rd strike offset by a mm or 2. NGC cert 2192559-014. Normal 1 known
50P012 Fifty Pence 1998 Britannia Wrong planchet Struck on a copper coloured non magnetic planchet, very likely to be a bronze 2p planchet. 7.1g 1 known
50P013 Fifty Pence 1998 NHS Die-clash Large raised elements of the reverse design visible in the fields of the obverse. Further investigation needed. Normal Normal 1 known
50P014 Fifty Pence 2000 Libraries Wrong planchet Smaller silver coloured planchet, details not known. Unknown Unknown 1 known
50P015 Fifty Pence 2004 Britannia Wrong planchet Struck on a very thick planchet. 9.7g Normal 1 known
50P046 Fifty Pence 2004 Britannia Partial collar error And/or slightly rotated reverse die. Coin only seen in very used condition. Normal Normal 1, probably more
50P016 Fifty Pence 2004 Roger Bannister Wrong planchet Struck on a very thick planchet. Unknown Normal 1 known
50P017 Fifty Pence 2006 Britannia Rotated die Significant rotation of one whole rim segment (51.43 degrees). Britannia helmet is at 10 o’clock. Normal Normal 2 so far.
50P018 Fifty Pence 2008 Shield Wrong planchet Struck on a copper plated steel 1p planchet. PCGS cert 35151234. 3.53g Smaller 1 known
50P019 Fifty Pence 2009 Kew Die-clash Slight outline of Queen visible on reverse Normal Normal probably common
50P020 Fifty Pence 2009 Kew Rotated obvere Obverse die rotated a little. The points of the design do not line up with the points of the shape. Normal Normal 1, probably more
50P021 Fifty Pence 2010 Girl Guides Rotated die (collar) Both sides rotated so that the design points do not match the actual shape points. Normal Normal Probably many
50P022 Fifty Pence 2011 Badminton Rotated die Slight rotation. Normal Normal Probably many
50P023 Fifty Pence 2011 Badminton Struck off-centre Thicker rim below Queen and date, corresponding thicker rim on reverse. Also a little rotated. Normal Normal 1 so far
50P024 Fifty Pence 2011 Goalball Rotated die Slight rotation reverve. Normal Normal Probably many
50P025 Fifty Pence 2011 Judo Partial collar error Collar not engaged/broken, raised rim around the edge. Slight rotation also evident. Normal Normal 1, probably more exist
50P026 Fifty Pence 2011 Judo Distinctive rim cud Exit oe metal along the whole section adjacent to LIZAB. Normal 1, probably more exist
50P027 Fifty Pence 2011 Triathlon Rotated die (collar) Both sides rotated so that the design points do not match the actual shape points. Also off-centre. Normal Normal 1, probably more exist
50P028 Fifty Pence 2011 Weightlifting Wrong planchet Struck on what appears to be a 2p planchet. Unknown Unknown 1 known
50P029 Fifty Pence 2014 Shield Struck off-centre Wider rim to right of Queen (and to left of shield on the reverse). Normal Normal A few, probably many
50P030 Fifty Pence 2014 Glasgow Mis-aligned obverse die With thick rim on the obverse above and to left/right of the Queen. Lower 3 ‘sides’ have no rim. Normal Normal A few seen, probably common
50P031 Fifty Pence 2014 Glasgow Rotated reverse Small rotation on reverse. Normal Normal Probably many
50P032 Fifty Pence 2015 Shield Rotated obverse Obverse die rotated a little. The points of the design do not line up with the points of the shape. Normal Normal 1, probably more exist
50P049 Fifty Pence 2015 Shield Weak strike Struck with insufficient pressure or on a lighter planchet, resulting in weak detail especially around the edges. Unknown Unknown Probably many
50P033 Fifty Pence 2016 Beatrix Potter Double struck Very mis-shapen, about 25% of the 2nd strike on an extended ‘wing’. Normal Normal 1 known
50P047 Fifty Pence 2016 Beatrix Potter Weak strike Struck with insufficient pressure or on a lighter planchet, resulting in weak detail especially around the edges. Unknown Unknown Seems common
50P034 Fifty Pence 2016 Jemina Puddle-Duck Die-clash With distinctive design elements of the opposite sides shown in the fields of both sides. Normal Normal Very common
50P035 Fifty Pence 2016 Peter Rabbit Die damage Extra whisker’ caused by die damage/crack probably influenced by a feeder finger. Normal Normal Very common
50P036 Fifty Pence 2016 Peter Rabbit Die-clash Weak rabbit whiskers on both sides of the Queen. Normal Normal Probably many
50P037 Fifty Pence 2016 Team GB Rotated die Slight rotation obv die. Normal Normal Common
50P038 Fifty Pence 2017 Isaac Newton Struck off-centre Struck about 25% off centre. Shape irregular. Normal Normal 1 known
50P039 Fifty Pence 2017 Isaac Newton Die-clash With distinctive patterns from the reverse die in the fields around the Queen. Normal Normal Very common
50P040 Fifty Pence 2017 Isaac Newton Weak strike Probably struck with insufficient pressure, perhaps with a tilted die. Potentially also light planchet. Further details not available Unknown 1, possibly more
50P041 Fifty Pence 2017 Peter Rabbit Broadstrike Well centred, no collar present. Normal 29mm 1 known
50P042 Fifty Pence 2017 Peter Rabbit Rotated obverse Obverse die rotated a little. The points of the design do not line up with the points of the shape. Normal Normal 1, probably more exist
50P048 Fifty Pence 2017 Jeremy Fisher Weak strike Struck with insufficient pressure or on a lighter planchet, resulting in weak detail especially around the edges. Unknown Unknown Probably many
50P043 Fifty Pence 2017 Tom Kitten Double struck Struck twice, 2nd strike about 25% visible, very irregular shape as a result. Normal 1 known
50P044 Fifty Pence 2017 Tom Kitten Weak strike Struck with insufficient pressure resulting in weak detail (varying degrees obverved). Normal Normal Seems common
50P045 Fifty Pence 2018 People’s Act Weak strike Struck with insufficient pressure or on a lighter planchet, resulting in weak detail especially around the edges. Unknown Unknown Probably many
C1P001 One Pound 1985 Standard Doubled edge motto Odd doubled edge motto. Normal Normal 1, possibly more
C1P002 One Pound 1993 Standard Wrong planchet Struck on a light or incorrect planchet. Date not visible but die combination can only be 1993. XRF test: 64% Cu, 34% Zn, 1% Ni 4.54g 22.2mm 1, possibly more
C1P003 One Pound 1995 Welsh Dragon Rotated die Die rotated, alignment out by about 40 degrees. Normal Normal Probably many
C1P004 One Pound 1996 Celtic Cross Wrong planchet Struck on a light or incorrect planchet. Date not visible but die combination can only be 1996. 4.87g 22.3mm 1, possibly more
C1P005 One Pound 2000 Welsh Dragon Double struck Second strike about 25% on planchet Normal Normal 1, possibly more
C1P006 One Pound 2000 Welsh Dragon Partial collar error Horizontal section of edge milling missing, shape good. Normal Normal 1, possibly more
C1P007 One Pound 2001 Celtic Cross Wrong planchet Light planchet, details not known. Unknown Unknown 1 known
C1P008 One Pound 2002 Three Lions Rotated die Die rotated, alignment out by about 95 degrees. Normal Normal A few, probably many
C1P009 One Pound 2003 Royal Arms Struck off-centre Very large rim to right of Queen and in corresponding position on other side. Normal Normal 1, probably more exist
C1P010 One Pound 2004 Bridge Forth Rotated die Die rotated, alignment slightly out. Normal Normal A few, probably many
C1P011 One Pound 2005 Bridge Menai Rotated die Die rotated, alignment slightly out. Normal Normal A few, probably many
C1P012 One Pound 2005 Bridge Menai Wrong planchet Light planchet, brass. PCGS cert 3451176. 5.8g Normal A couple reported
C1P013 One Pound 2005 Bridge Menai Distinctive cud/retained cud Large cud at the bottom of the reverse on the ONE POUND. Also seen at an earlier break stage with detail on the raised lump (retained cud) Normal Normal Many
C1P014 One Pound 2006 Bridge Egyptian Wrong planchet Struck on a thin magnetic plancher, missing much detail. 5.2g Smaller A couple reported
C1P015 One Pound 2007 Bridge Millennium Double struck Second strike about 50-60% on planchet. Normal Normal 1 known
C1P016 One Pound 2007 Bridge Millennium Wrong planchet Wrong planchet, smaller, claimed to be struck on the centre part of a 1 Euro. Unknown Unknown 1 known
C1P017 One Pound 2010 Standard Shield Multi-Struck Double/triple? Normal 1 known
C1P018 One Pound 2010 Standard Shield Struck off-centre Normal 1 known
C1P019 One Pound 2011 Cardiff Rotated die Die rotated, alignment out by about 150 degrees. Normal 1 known
C1P020 One Pound 2013 Floral Wales Rotated die Die rotated, alignment out by up to 180 degrees (usually around 90 degrees). Normal Normal Many, likely thousands exist
C1P021 One Pound 2013 Standard Shield Wrong planchet Struck on a light or incorrect planchet. 7.35g 22.45mm 1, probably more exist
C1P022 One Pound 2014 Floral Scotland Off centre A little off centre on both sides with corresponding thicker rim section. Normal Normal 1, probably more exist
C1P023 One Pound 2014 Shield Double struck Second strike has just clipped the edge and consists of the word ONE on the reverse. Normal Normal 1 known
C1P024 One Pound 2014 Shield Struck on scrap Struck on a small fragment of incorrectly clipped metal. Unknown Unknown 1 known
C1P025 One Pound ND Shield Triple struck Date not fully clear, 2010-15. Further details unknown. Unknown Unknown 1 known
C1P026 One Pound ND Shield Wrong planchet Light and thin planchet with no edge millings, date not entirely clear, 2010-15. Unknown Unknown 1, possibly more
C1P027 One Pound 2016 New 12 sided Double struck With a weak ‘skip’ of a 3rd strike. The main extra strike is about 70% on planchet Normal Normal 1 so far
C1P028 One Pound 2016 New 12 sided Distinctive die chips Raised pattern of what resembles a ring of thorns going all the way round the floral elements, a few mm in on the pill centre piece. Looks to be a die chip that has progressed right around the coin. Normal Normal Very common
C1P029 One Pound 2016 New 12 sided Double struck About 30% of a 2nd impression present, showing ‘016 ELIZABET’ on obv. Mis-shapen. Normal Normal 2, possibly more
C1P030 One Pound 2016 New 12 sided Double struck About 30% of a 2nd impression present, showing ‘G REG FD’ on obv. Mis-shapen. Date obliterated but micro rev dates show 2016. Normal Normal 1, possibly more
C1P031 One Pound 2016 New 12 sided Monometallic planchet Struck on un-pierced outer brass ring. Normal Normal Just 1 so far
C1P032 One Pound 2016 New 12 sided Mule 2016 main date on obverse, with tiny ‘2017’ dates around the reverse rim. Normal Normal 2 or 3
C1P033 One Pound 2016 New 12 sided Partial collar error Collar not engaged, raised rim around the edge. Various degrees of severity. Normal Normal Very common
C1P034 One Pound 2016 New 12 sided Pill not centred Pill not centred when struck leading to fried egg appearance with obv pill breach towards 3 o’clock to 6 o’clock. Often with hole opposite between the two metals. Normal Normal Probably 100s
C1P035 One Pound 2016 New 12 sided Pill not centred Pill not centred when struck leading to fried egg appearance with obv pill breach going directly downwards towards the edge. Normal Normal 1 so far
C1P036 One Pound 2016 New 12 sided Rotated/slipped collar Collar rotated, hologram points to the middle of a section (milled or plain section, both seen). Possibly a transitional related to the ‘lefties’. Normal Normal Many
C1P037 One Pound 2016 New 12 sided Reverse die not centred Reverse has thicker rim from about 9 – 2 o’clock (also seen with 9 – 3 o’clock). Rim and micro dates missing on the opposing lower rim. Normal Normal 2, probably more exist
C1P038 One Pound 2016? New 12 sided Outer ring struck alone Ring splayed slightly to take up the space. Could be 2017 coin, date not 100% clear. Normal Normal A couple reported
C1P039 One Pound 2017 Standard Obverse die not centred Rim missing at bottom of the obverse. Large rim at 9 – 3 o’clock. Reverse normal. Normal Normal 1, possibly more
C1P040 One Pound 2017 Standard Monometallic planchet Struck on un-pierced outer brass ring. Absolutely NOT on an old £1 blank due to the weight. Ref PCGS cert 35151236. Normal Normal About 10 so far
C1P041 One Pound 2017 Standard Non-plated centre pill Gold coloured (non nickel plated) centre pill. Coin made of 2 pieces as normal. Normal Normal 5 to 10 so far
C1P042 One Pound 2017 Standard Partial collar error Collar not engaged, raised rim around the edge. Probably various degrees of severity (as for 2016). Also appears off-centre. Normal Normal Probably fairly common
C1P043 One Pound 2017 Standard Pill not centred Pill not centred when struck leading to fried egg appearance with rev breach into ring towards 12 o’clock. Thicker brass ring at opposing position on obverse. Also evidence of a lip around the rim from a collar problem. Normal Normal 1, probably more exist
C1P044 One Pound 2017 Standard Pill not centred Pill not centred when struck leading to fried egg appearance with rev breach into ring towards 1 o’clock to 2 o’clock. Normal Normal 1, probably more exist
C1P045 One Pound 2017 Standard Pill not centred Pill not centred when struck leading to fried egg appearance with obv breach going directly downwards towards the edge. Normal Normal 1, probably more exist
C1P046 One Pound 2017 Standard Pill not centred Pill not centred when struck leading to fried egg appearance with obv breach going towards 10 o’clock to 11 o’clock. Normal Normal 1, probably more exist
C1P047 One Pound 2017 Standard Pill not centred Pill not centred when struck leading to fried egg appearance with obv breach towards 3 o’clock to 6 o’clock. Normal Normal 1, probably more exist
C1P048 One Pound 2017 Standard Struck very off centre About 40% off-centre. Date and ELIZABETH visible and UND from POUND clear. Normal Normal A few
C1P049 One Pound 2017 Standard Light outer ring Or possibly a clipped outer ring. Either way, it wasn’t the right size/weight. Further details not known. Unknown Unknown 1, possibly more
C2P001 Two Pounds 1986 Scot Games Blank planchet With edge lettering, no milling, not struck in dies. Normal Normal 1 known
C2P002 Two Pounds 1997 SOTSOG Pill not centred Pill not centred when struck leading to fried egg appearance, breach obv 2-5 o’clock. Normal Normal 1 so far
C2P003 Two Pounds 1997 SOTSOG Rotated die Die rotated, alignment slightly out. Normal Normal A few, probably many
C2P004 Two Pounds 1998 SOTSOG Multi-Struck Planchet struck 3 times. Normal Normal 1 so far
C2P005 Two Pounds 1998 SOTSOG Struck off-centre broadstrike Normal Normal 1 so far
C2P006 Two Pounds 1998 SOTSOG Rotated die Die rotated, alignment slightly out. Normal Normal A few, probably many
C2P007 Two Pounds 1999 Rugby Blank edge Edge missing motto and milling. Not 100% confirmed. Normal Normal 1, probably more exist
C2P008 Two Pounds 1999 Rugby Rotated die Die rotated, alignment out by about 90 degrees. Normal Normal 1, probably more exist
C2P009 Two Pounds 1999 Rugby Rotated die Die rotated, alignment out by almost 180 degrees Normal Normal 1, probably more exist
C2P010 Two Pounds 1999 SOTSOG Pill not centred Pill not centred when struck leading to fried egg appearance, breach obv 2-5 o’clock. Varying severity, also seen with gap between metals. Normal Normal A couple
C2P011 Two Pounds 1999 SOTSOG Double struck Second strike consisting of the ‘G FI’ of REG FID just clipped the edge at ELIZABETH. Normal Normal 1 known
C2P012 Two Pounds 1999 SOTSOG Rotated die Die rotated, alignment slightly out. Normal Normal A few, probably many
C2P013 Two Pounds 2000 SOTSOG Wrong/light ring Outer ring very light and thin. Missing much detail. Another example was 10.5g 10.7g Unknown A couple known
C2P014 Two Pounds 2001 Marconi Blank planchet With edge lettering, no milling, both pieces pushed together but not struck in dies. Normal Normal 1, probably more exist
C2P015 Two Pounds 2001 Marconi Broadstrike Well centred broadstrike. Normal Normal 1 known, possibly more
C2P016 Two Pounds 2001 SOTSOG Pill not centred Pill not centred when struck leading to fried egg appearance, clearer from the reverse. Normal Normal 1 so far
C2P017 Two Pounds 2001 SOTSOG Distinctive cud Distinctive cuds and retained cuds mainly affecting the reverse at about the 8 – 9 o’clock position. Normal Normal Many, likely thousands exist
C2P018 Two Pounds 2001 SOTSOG Rotated die Die rotated, alignment slightly out. Normal Normal A few, probably many
C2P019 Two Pounds 2002 Games, blank Blank planchet With edge lettering, no milling, both pieces pushed together but not struck in dies. Normal Normal A few known
C2P020 Two Pounds 2002 Games, NI flag Centre pill struck alone Struck on centre pill, splayed out with no evidence of the outer ring ever being present. About 6g Small A couple
C2P021 Two Pounds 2002 Games, Scot flag Centre pill struck alone Struck on centre pill, splayed out with no evidence of the outer ring ever being present. About 6g Small A couple
C2P022 Two Pounds 2002 Games, Wales flag Rotated die Die rotated, alignment out by up to 180 degrees (usually around 90 degrees). Normal Normal Probably many
C2P023 Two Pounds 2004 SOTSOG Double struck Second strike about 50% on planchet. Normal Normal 1 known
C2P024 Two Pounds 2005 Guy Fawkes Partial collar error Horizontal section of edge milling missing, shape good. Normal Normal 1, probably more
C2P025 Two Pounds 2005 Guy Fawkes Rotated die Die rotated, alignment slightly out. Normal Normal A few, probably many
C2P026 Two Pounds 2005 SOTSOG Double struck Second strike about 90% on planchet. Normal Normal 1 known
C2P027 Two Pounds 2005 SOTSOG Struck off-centre Coin struck about 20% off-centre. Normal Normal A couple
C2P028 Two Pounds 2005 WWII St Pauls Rotated die Die rotated, alignment slightly out. Normal Normal A few, probably many
C2P029 Two Pounds 2006 Brunel the man Double struck Second strike about 70% on planchet Normal Normal 1 known
C2P030 Two Pounds 2006 Brunel the man Double struck Double struck, very irregular shape with what also appears to be feeder finger damage. Normal Normal 1 known
C2P031 Two Pounds 2006 Brunel the man Outer ring struck alone Missing the silver coloured centre pill part, with clear evidence of the outer ring splaying inwards to take up some of the space. about 6g A few.
C2P032 Two Pounds 2006 Brunel the man Outer ring cut from 50p Outer ring cut from 2006 heroic acts 50p. PCGS cert 34305458. About 10.2g Normal 1, assumed unique
C2P033 Two Pounds 2006 Brunel the man Rotated die Die rotated, alignment slightly out. Normal Normal A few, probably many
C2P034 Two Pounds 2006 Brunel the man Struck off-centre Coin struck extremely off cente (about 50%). Normal Probably unique
C2P035 Two Pounds 2006 Brunel, his work Centre pill slightly off centre Normal Normal Probably many
C2P036 Two Pounds 2006 Brunel, his work Rotated die Slight rotation. Normal Normal Probably many
C2P037 Two Pounds 2006 SOTSOG Wrong pill planchet Wrong centre piece planchet, centre magnetic and very weak. 9.23g Normal 1 known
C2P038 Two Pounds 2007 Act of Union Rotated die Die rotated, alignment out by about 90 degrees. Normal Normal Probably many
C2P039 Two Pounds 2007 SOTSOG Triple struck Struck 3 times with gaps visible between the pill and ring. Normal Normal 1 known
C2P040 Two Pounds 2007 SOTSOG Monometallic planchet Struck on un-pierced outer brass ring Normal Normal 2, probably more exist
C2P041 Two Pounds 2007 SOTSOG Pill not centred Pill not centred when struck leading to fried egg appearance with obv breach strongest at 9 – 11 o’clock. Normal Normal 1, probably more
C2P085 Two Pounds 2007 SOTSOG Pill not centred Pill not centred when struck leading to fried egg appearance with obv breach strongest at 9 o’clock, directly behind Queen. Normal Normal 1, probably more
C2P042 Two Pounds 2008 SOTSOG Wrong bi-metal planchet Outer ring made of cu-ni, some detail weak, slightly thinner. Ref PCGS cert 35151238. 11.5g – 11.7g Normal Quite a few seen (10+)
C2P043 Two Pounds 2009 SOTSOG Rotated die Die rotated, alignment out by varying degrees up to 90. Normal Normal Many, likely thousands exist
C2P044 Two Pounds 2009 Burns Rotated die Slight rotation. Normal Normal Many, likely thousands exist
C2P045 Two Pounds 2010 Florence Nightingale Outer ring struck alone Missing the silver coloured centre pill part, with clear evidence of the outer ring splaying inwards to take up some of the space. about 6g 1, possibly more
C2P046 Two Pounds 2010 Florence Nightingale Pill not centred Pill not centred when struck. Small breach obv into date and FID DEF. Normal Normal 1, possibly more
C2P047 Two Pounds 2010 Florence Nightingale Smaller edge motto Smaller edge motto font. Possibly a BU coins that had circulated. Further investigation required. Normal Normal 1, possibly more
C2P048 Two Pounds 2010 Florence Nightingale Wrong planchet Struck on a 10g nickel plated steel planchet believed to be that of a Gambia 50 Bututs. PCGS cert 35151233. 10g Normal 1, assumed unique
C2P049 Two Pounds 2010 SOTSOG Broadstrike Well centred on larger planchet, no collar present. Normal Normal 1, possibly more
C2P050 Two Pounds 2010 SOTSOG Outer ring struck alone Missing the silver coloured centre pill part, with clear evidence of the outer ring splaying inwards to take up some of the space. about 6g 1, possibly more
C2P051 Two Pounds 2010 SOTSOG Partial collar error+ Horizontal section of edge milling missing, shape good. Pill part also not properly centred. Normal Normal 1, possibly more
C2P052 Two Pounds 2010 SOTSOG Doubled die obverse lettering. Hubbing error, all of obverse lettering doubled. Most extreme at lower part of coin. Normal Normal Many, likely thousands exist
C2P053 Two Pounds 2010 SOTSOG Rotated die Slight rotation up to about 30 degrees. Normal Normal Many, likely thousands exist
C2P054 Two Pounds 2011 SOTSOG Outer ring struck alone Missing the silver coloured centre pill part, with clear evidence of the outer ring splaying inwards to take up some of the space. about 6g 1, possibly more
C2P055 Two Pounds 2011 SOTSOG Rotated die Slight rotation up to about 30 degrees. Normal Normal Many, likely thousands exist
C2P056 Two Pounds 2012 Dickens Pill not centred Pill not centred when struck leading to fried egg appearance. Main breach reverse 6- 9 o’clock. Also gap between metals. Normal Normal 1, possibly more exist
C2P057 Two Pounds 2013 Guinea Pill not centred Pill not centred when struck leading to fried egg appearance. Main breach obverse 3-5 o’clock. Normal Normal 1, possibly more exist
C2P058 Two Pounds 2013 Guinea Rotated die Slight rotation of less than 45 degrees. Normal Normal 1, probably more exist
C2P059 Two Pounds 2013 SOTSOG Monometallic planchet Struck on un-pierced outer brass ring 11.94g Normal 1, probably more exist
C2P060 Two Pounds 2013 SOTSOG Pill not centred Pill not centred when struck leading. Breach rev towards 2-3 o’clock. Gap between metals on opposite side and partial lip on edge. Normal Normal 1, possibly more exist
C2P061 Two Pounds 2013 Underground Roundal Monometallic planchet Struck on un-pierced outer brass ring Normal Normal 1 or possibly 2
C2P062 Two Pounds 2013 Underground Roundal Incorrect edge pattern/legend With pattern of linked circles which should have been used on the other Underground £2, instead of the correct ‘MIND THE GAP’ edge. Normal Normal 1, probably more exist
C2P063 Two Pounds 2013 Underground train Wrong centre pill Appears to have a light or wrong centre piece, missing much detail. Unknown Unknown 1 known
C2P064 Two Pounds 2014 SOTSOG Rotated die Die rotated, alignment out by varying degrees up to about 70. Normal Normal Many, likely thousands exist
C2P065 Two Pounds 2014 Trinity House Partial collar error Horizontal section of edge milling missing, shape good. Normal Normal 1, probably more exist
C2P066 Two Pounds 2014 WWI Kitchener Blank planchet With edge lettering, no milling, both pieces pushed together but not struck in dies. Centre a bit loose. Normal Normal 1, possibly more
C2P067 Two Pounds 2014 WWI Kitchener Pill not centred Pill not centred when struck leading to fried egg appearance. Main breach obverse 2-5 o’clock. Normal Normal 1, probably more exist
C2P068 Two Pounds 2014 WWI Kitchener Monometallic planchet Struck on un-pierced outer brass ring Normal Normal A couple
C2P069 Two Pounds 2014 WWI Kitchener Outer ring cut from 50p Outer ring cut from 2014 standard Britannia 50p. Lower Normal 1, assumed unique
C2P070 Two Pounds 2015 Britannia Rotated die Die rotated, alignment out by varying degrees up to 180. Normal Normal Many, likely thousands exist
C2P071 Two Pounds 2015 Magna Carta Rotated die Slight rotation of less than 30 degrees. Normal Normal Many, likely thousands exist
C2P072 Two Pounds 2015 SOTSOG Pill not centred Pill not centred when struck leading to fried egg appearance. Main breach obverse 2-5 o’clock. Evidence also of partial collar error. Normal Normal 1, probably more exist
C2P073 Two Pounds 2015 SOTSOG Rotated die Die rotated, alignment out by varying degrees up to 180. Normal Normal Many, likely thousands exist
C2P074 Two Pounds 2015 SOTSOG Monometallic planchet Struck on un-pierced outer brass ring. Ref PCGS cert 34305457. About 12g Normal A few
C2P075 Two Pounds 2015 SOTSOG Pill not centred Pill not centred when struck leading to fried egg appearance with obv breach strongest at 11 o’clock. One seen with gap between metals on opposite side. Normal Normal 3, probably more exist
C2P076 Two Pounds 2015 SOTSOG Rotated die Die rotated, alignment out by varying degrees up to 180. Normal Normal Many, likely thousands exist
C2P077 Two Pounds ND SOTSOG Foreign outer ring Struck with an outer ring made of an old Hong Kong dollar 1994-2015 type. 4th portrait so 1998-2015. Unknown Unknown 1 known
C2P078 Two Pounds 2015 WWI Navy Distinctive die chips Die chips to the upper mast that resemble a cat or a flag depending on stage of the progressive die chip Normal Normal Many, likely thousands exist
C2P079 Two Pounds 2015 WWI Navy Rotated die Die rotated, alignment out by varying degrees. Normal Normal Many, likely thousands exist
C2P080 Two Pounds 2016 Fire of London Monometallic planchet Struck on un-pierced outer brass ring Normal Normal 1 known
C2P081 Two Pounds 2016 Shakespeare Skull Struck off-centre/collar Not properly struck within the collar, also a little off-centre (probably both related). Normal Normal 1, probably more exist
C2P082 Two Pounds 2016 Shakespeare Jester Uneven weakness/tilted die? Significant weakness on both sides on SHAKESPEARE and ELIZABETH Unknown Normal 1, possibly more exist
C2P083 Two Pounds 2016 WWI Pals Pill not centred Normal Normal Probably many
C2P084 Two Pounds 2016 WWI Pals Monometallic planchet Struck on un-pierced outer brass ring Normal Normal 1, in a BU set
C5P001 Five Pounds 1999 Princess Diana Rotated die Die rotated, alignment out by about 90 degrees. Normal Normal A few reported

The Check Your Change admin is Mr C H Perkins, publisher of numismatic publications in printed and eBook format. Author of "Collectors' Coins - Decimal Issues of the UK" and other books on British coins and related subjects.

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