Our selection of Proof Coins and Proof Coin Sets are for the most part comprised of Royal Mint proof sets that make our British Numismatics and collectible coins. Proof coins are the highest striking standard by the Minter. The striking process for a proof coin, is achieved by careful striking at lower speeds to produce the highest quality detail on gold and silver coins. To find out what makes a proof coin so special, visit our page What are Proof Gold Coin which details the main differences between proof and bullion and how to spot them.