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| Number | KM# 15a |
|---|---|
| Country | Brunei |
| Period | State of Brunei (1967 - 2024) |
| Ruler | Hassanal Bolkiah |
| Currency | Brunei dollar |
| Coin type | Circulation coins |
| Denomination | 1 sen |
| Currency rate | 0.01 BND = 0.01 USD |
| Year | 1986 - 1993 |
| Edge type | Smooth |
| Shape | Round |
| Alignment | Medal (0°) |
| Composition | Copper plated Steel |
| Weight (g) | 1.7 |
| Diameter (mm) | 17.7 |
| Thickness (mm) | 1.1 |
![]() | Royal family Description Legend |
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![]() | Symbols Legend |
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| Year | Mintage | Rarity | Value, USD | ||
|---|---|---|---|---|---|
| UNC | BU | Proof | |||
| 1993 | 948.000 | + | - | RRR | - |
| 1992 | 887.000 | + | - | ||
| 1991 | 680.000 | + | - | ||
| 1990 | 680.000 | + | - | ||
| 1989 | 601.000 | + | - | ||
| 1988 | 500.000 | + | - | ||
| 1987 | 390.000 | + | - | ||
| 1986 | 102.000 | + | - | ||
