Antarctic Treaty Plate Block
Updated September 19, 2026
This auction ended on September 26, 2026.
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| Lot number | 239 |
| Estimate | 15.00 - 30.00 USD |
| Auction | Stamps, Covers & Signatures: Philatelic and Autograph Sale |
| Date | September 26, 2026 at 9:00 AM PDT |
| Auction house | Heroes and Legends |
| Location | Palm Desert, California |
1971 U.S. Plate Block of 4 x 8c Stamp Antarctic Treaty Issue, Scott#1431
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