1973 - 1998 Proof Sets U.S. Mint 26 Proof Set S San Francisco Mint with COA

1973 6 coin Proof Set. COA is always Included when issued by US Mint. Issued from 1986 to date. 1974 6 coin Proof Set. 1975 6 coin Proof Set. 1976 6 coin Proof Set. 1977 6 coin Proof Set. 1978 6 coin Proof Set.

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