Solomon Islands 1992 Gold Proof Set a 4-coin set 50th Anniversary of the Battle of the Coral Sea comprising $100 One Ounce, $50 Half Ounce, $25 Quarter Ounce and $10 One Tenth Ounce KM#PS10 nFDC with the odd small flecks of toning, in the blue Royal Mint box with certificate, only 500 sets issued, a rare and seldom offered set