Sri Lanka/ 1 Rupee/ 1978
  |
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| Copper-Nickel | 7.13 gr. | 25,4 mm. | Security | Medal (0º) |
| Without Mint mark - The British Royal Mint |
|
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| Copper-Nickel | 7.13 gr. | 25,4 mm. | Security | Medal (0º) |
| Without Mint mark - The British Royal Mint |