US Plate Proof Stamps 4 different all on Card (P4)
Updated September 1, 2026
| Lot number | 28 |
| Category | Stamps & Philately |
| Auction | September 27th, 2026 Weekly Stamp Auction |
| Date | September 27, 2026 at 6:00 PM EDT |
| Auction house | Emerald Ventures, LLC |
| Location | Dow, Illinois |
US Plate Proof Stamps 4 different all on Card (P4), fresh and bright 4 margin examples
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