Mexico/ 20 Pesos/ 1980
  |
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| Copper-Nickel | 15.13 gr. | 32.0 mm. | Inscription. | Coin (180º) |
Mint mark:  - Casa de la Moneda de Mexico, Mexico City |
|
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| Copper-Nickel | 15.13 gr. | 32.0 mm. | Inscription. | Coin (180º) |
| Mint mark: - Casa de la Moneda de Mexico, Mexico City |