The One Penny to £2 coins sections now cover all coins issued up to the end of 2022. The current book covers the same period but also features proof coins, precious metals and a lot more information within its 204 pages.
For more current information, the info provided in the app is updated every few weeks!
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.