Brunei/ 50 Sen/ 1977
  |
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| Copper-Nickel | 9.33 gr. | 27.7 mm. | Reeded, Security. | Medal (0º) |
| Without Mint mark - The Singapore Mint. |
|
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| Copper-Nickel | 9.33 gr. | 27.7 mm. | Reeded, Security. | Medal (0º) |
| Without Mint mark - The Singapore Mint. |