Oklahoma City Zoo - River Otter
€1.00
| Location | United States |
| Year | |
| Type | Souvenir medallion |
| Composition | (Non Magnetic Alloy) |
| Weight | 20.4 g |
| Diameter | 37 mm |
| Thickness | 2 mm |
| Shape | Round |
| Technique | Milled |
| Orientation | Medal alignment ↑↑ |
| Edge | Reeded |
| Period | Federal republic (1776-date) |
| Notice | |
| Reference(s) |