1985 BRITISH VIRGIN ISLANDS $20 SILVER COIN SET - THE TREASURE COINS OF THE CARIBBEAN (1. EACH SILVER COIN IS .5677 oz ASW (2.TOTAL SET WEIGHT IS 14.1925 oz (3. EACH OF THESE 25 SILVER COINS WAS STRUCK AS A PROOF. MINT CONDITION. 25 Piece Sterling Silver Set. Map & Info EA COIN.