2 7/8" x 1 1/2" Etley, Burlington Chert, Butler Co. Missouri, Ex. George Robertson
Updated July 31, 2026
| Lot number | 257 |
| Estimate | $15 - $10,000 |
| Opening bid | $10 |
| Auction | Native American & Pre-Columbian Artifact Auction |
| Date | August 23, 2026 at 9:00 AM CDT |
| Auction house | Heartland Artifact Auctions Inc. |
| Location | Quincy, Illinois |
2 7/8" x 1 1/2" Etley, Burlington Chert, Butler Co. Missouri, Ex. George Robertson
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