Polished GREEN OPAL Slab
Updated August 10, 2026
| Lot number | 714462 |
| Estimate | $14 - $42 |
| Opening bid | $14 |
| Auction | CURIO CABINET ANTIQUES CARVINGS GEMS |
| Date | August 12, 2026 at 6:00 PM EDT |
| Auction house | Col. Christie Hatman Auctioneers |
| Location | Thayer, Missouri |
Large polished slab of black obsidian with subtle green sheen, approximately 6 inches long, 118 grams.
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