Pair of Dinosaur Gall Stone Gastroliths
Updated September 1, 2026
This auction ended on September 10, 2026.
See upcoming auctions from Davis Brothers Auction.
| Lot number | 0536 |
| Estimate | $50 - $75 |
| Opening bid | $10 |
| Auction | 2nd Annual Montana Little Chief Auction Day1 |
| Date | September 10, 2026 at 11:00 AM EDT |
| Auction house | Davis Brothers Auction |
| Location | Missoula, Montana |
Largest is 2 1/4" diameter.
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