Brunei/ 20 Sen/ 1984
  |
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| Copper-Nickel | 5.65 gr. | 23.5 mm. | Reeded. | Medal (0º) |
| Without Mint mark - The Singapore Mint. |
|
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| Copper-Nickel | 5.65 gr. | 23.5 mm. | Reeded. | Medal (0º) |
| Without Mint mark - The Singapore Mint. |