Obsidian Cores - Two Glassy Black Volcanic Stone Nodules with Worked Edges
Updated August 6, 2026
| Lot number | 0046 |
| Estimate | $200 - $300 |
| Opening bid | $75 |
| Auction | Summer Marketplace | Ancient & Ethnographic |
| Date | August 13, 2026 at 11:00 AM EDT |
| Auction house | Artemis Fine Arts |
| Location | Louisville, Colorado |
North / Central America, Native American or Pre-Columbian Cultures, ca. 1000–1500 CE. Two large obsidian nodules with edge flaking consistent with prehistoric reduction, possibly of Native
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