• Metal: Different
• Weight: 100 g
• Year: 1971
• Preservation: 1.1) UNC
• Country: U.S.
• Face value: 0.00

The individual coins of the 1971-S Proof Set were placed into holes in a black plastic insert, then sealed in a two-piece, clear plastic case. The case was then inserted into a protective outer cover consisting of blue cardboard, imprinted with the words: "United States Proof Set • 1971."