This set of three Great Britain 20 Pence Proof Coins is a must-have for any serious collector. Made of Copper-Nickel with a pristine Uncirculated finish, these coins from 1987, 1990 and 1992 are certified by NGC and have a Grade of PR 69. The coins feature the emblem of Wales, making them a unique addition to any collection. Though manufactured in the United Kingdom, these coins are perfect for collectors of world coins.