Fern Fossils, Opal Specimens, & Dinosaur Tooth
Updated August 16, 2026
| Lot number | 0070 |
| Estimate | $600 - $900 |
| Opening bid | $250 |
| Auction | American Frontier | Ethnographic | Tribal Art |
| Date | August 24, 2026 at 11:00 AM EDT |
| Auction house | Artemis Fine Arts |
| Location | Louisville, Colorado |
Ca. 66–70 million years old. Australia, & North America, ca. millions of years ago. A collection of natural history specimens including two raw opal pieces housed in a glass viewing jar, the
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