1968 to 1988 Proof Sets U.S. Mint 21 Proof Sets San Francisco Mint Box COA

COA is always included when issued by US Mint. Issued from 1986 to date. 1968 5 coin Proof Set. 1969 5 coin Proof Set. 1988 5 coin Proof Set. 1970 5 coin Proof Set. 1971 5 coin Proof Set. 1972 5 coin Proof Set.

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