1 Sen - Hassanal Bolkiah - Without 'I' in title; 1'st Portrait (1977 - 1986)
Features
| Denomination | 1 Sen |
| Catalog Number | KM# 15 |
| Weight (g) | 1.9 |
| Diameter (mm) | 18 |
| Shape: | Round |
| Composition: | Bronze |
| Not Magnetic | |
| Currency Value (USD) | 0.01 |
| Year | Mintage | Comment | Rarity |
|---|---|---|---|
| 1977 | 280,000 | Unknown | |
| 1978 | 269,000 | Unknown | |
| 1979 | 250,000 | Very Common | |
| 1979 | 10,000 | Proof | Unknown |
| 1980 | 260,000 | Very Common | |
| 1981 | 540,000 | Very Common | |
| 1982 | 100,000 | Common | |
| 1983 | 500,000 | Very Common | |
| 1984 | 400,000 | Very Common | |
| 1984 | 3,000 | Proof | Common |
| 1985 | 200,000 | Very Common | |
| 1985 | Proof | Common | |
| 1986 | 101,000 | Very Common | |
| 1986 | 7,000 | Proof | Common |