| Location | United States |
|---|---|
| Year | 2025 |
| Type | Membership medal |
| Composition | |
| Weight | 40.2 g |
| Diameter | 51.5 mm |
| Thickness | 3.5 mm |
| Shape | Round |
| Technique | |
| Orientation | Medal alignment ↑↑ |
| Edge | Plain with inscription |
| Period | |
| Notice | |
| Reference(s) |
| Obverse description | Inscribed rock in center, prehistoric animals around edge, clockwise from top: anthropomorphic caveman, woolly mammoth, Tyrannosaurus rex, Pterodactyl, Ankylosaurus, Velociraptor, anthropomorphic cavewoman, Triceratops, sabre-tooth tiger, Archaeopteryx, Apatosaurus, Stegosaurus. |
|---|---|
| Obverse script | Latin |
| Obverse lettering | BWS |
| Reverse description | Portrait of sabre-tooth cat skeleton facing left |
| Reverse script | Latin |
| Reverse lettering | BWS 2025 |
| Mintage | |
| Numisquare ID | 7705102130 |
| Comments |