San Marino/ 20 Lire/ 1977
  |
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| Aluminium-Bronze | 3.6 gr. | 21,3 mm. | Plain. | Coin (180º) |
| Without Mint mark - Istituto Poligrafico e Zecca dello Stato, Rome. Italy |
|
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| Aluminium-Bronze | 3.6 gr. | 21,3 mm. | Plain. | Coin (180º) |
| Without Mint mark - Istituto Poligrafico e Zecca dello Stato, Rome. Italy |