United States Proof Coin Sets 1970-1973
Updated August 24, 2026
| Lot number | 5 |
| Estimate | 40.00 - 75.00 USD |
| Category | Coins & Currency |
| Auction | Piddle Crick Hill Vol 68 |
| Date | September 3, 2026 at 7:01 PM CDT |
| Auction house | Piddle Crick Hill Auctions |
| Location | Maryland Heights, Missouri |
Four United States proof coin sets from 1970, 1971, 1972, and 1973. Each set includes proof versions of circulating coins, including the Kennedy half dollar, in original government packaging. These sets were produced by the U.S. Mint in the early 197
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