Uruguay/ 20 Centesimos/ 1981
  |
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| 92% Copper, 6% Aluminum, 2% Nickel | 5,0 gr. | 21.5 mm. | Plain, 12-sides. | Medal (0º) |
Mint mark:  - Casa de Moneda de Chile, Santiago. |
|
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| 92% Copper, 6% Aluminum, 2% Nickel | 5,0 gr. | 21.5 mm. | Plain, 12-sides. | Medal (0º) |
| Mint mark: - Casa de Moneda de Chile, Santiago. |