United States Postal Service 1979 U.S. Flora Block
Updated August 10, 2026
| Lot number | 36s |
| Auction | THU COIN STAMP & SPORTS CARD AUCTION SILVER ERRORS |
| Date | August 13, 2026 at 7:00 PM CDT |
| Auction house | Tyler Grace Auctions |
| Location | Addison, Texas |
Four attached 15¢ United States stamps from the 1979 Endangered Flora issue, identified as Scott 1783–1786: Persistent Trillium, Hawaiian Wild Broadbean, Contra Costa Wallflower, and Antioch Dunes Evening Primrose. The block is mounted or attacheda printed page with descriptive text and handwritten annotations. Photographs show apparent handling, storage, edge, or mounting wear, glare, a dark border, and a visible staple near the lower edge. No cancellation is visible. Reverse condition, gum,hinge marks, perforations, tears, bends, mint status, and authenticity cannot be conclusively assessed. The surrounding page appears to be a later collector-prepared mounting rather than an original USPS issue component.
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