1980 to 89 10 Proof Sets U.S. San Francisco Mint COA 80'S Years
1980 81 82 83 84 85 86 87 88 89 10 Proof Sets U.S. San Francisco Mint COA 80'S. COA is always Included when issued by US Mint. Issued from 1986 to date. 1980 6 coin Proof Set. 1981 6 coin Proof Set.