The coins, each designed by The Royal Mint, have been authorised by HM treasury and approved by King Charles III himself. Read on to unveil The Royal Mint’s brand-new designs, learn about the history of Definitive coins and why this is the biggest change for British coins in 15 years… The Coins of a New ‘Carolean’ Era So, as we welcome the new era of King Charles III, both the ‘heads’ and ‘tails’ of our circulating coins will have brand new designs. The coins that we use every day are changing.įrom the 1p to the £2, eight new coins will soon be entering our pockets and our piggy banks.