US One-Cent Blank Planchet Mint Error
Updated August 6, 2026
This auction ended on August 26, 2026.
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| Lot number | 0171 |
| Estimate | $5 - $1,000 |
| Opening bid | $5 |
| Auction | Rare and Error Coin Collection |
| Date | August 26, 2026 at 6:00 PM EDT |
| Auction house | Palmer's Auction Co |
| Location | Campbell, New York |
A United States numismatic error consisting of a Type 2 blank planchet intended for a one-cent coin. The planchet is composed of a copper-colored metal, likely copper or copper-plated zinc, and
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