| Issuer | Brunei |
| Year | 1977-1993 |
| Type | Standard circulation coin |
| Value | 50 Sen |
| Currency | Ringgit / Dollar (1967-date) |
| Composition | Copper-nickel (75% Copper, 25% Nickel) |
| Weight | 9.33 g |
| Dimensions | 27.76 mm |
| Thickness | 1.73 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | Christopher Ironside |
| In circulation to | |
| Reference(s) | KM#19, Schön#22 |
| Obverse description | Profile of the Sultan on the right, legend around. |
| Obverse script | Latin |
| Obverse lettering | SULTAN HASSANAL BOLKIAH · |
| Reverse description | |
| Reverse script | Latin |
| Reverse lettering | KERAJAAN BRUNEI · 1984 · 50 SEN · (Translation: Kingdom of Brunei) |
| Edge | Reeded with incuse security pattern |
| Mint | Royal Mint, Llantrisant, United Kingdom (1968-date) Singapore Mint, Singapore |
| Mintage | 1977 - - 499 000 1978 - Royal British Mint - 264 000 1979 - - 730 000 1979 - Proof - 10 000 1980 - - 536 000 1981 - - 960 000 1982 - (fr) rare - 136 000 1983 - - 408 000 1984 - - 320 000 1984 - Proof - 3 000 1985 - - 450 000 1985 - Proof - 1986 - - 1 067 000 1986 - Proof - 7 000 1987 - - 1 120 000 1988 - - 250 000 1989 - - 500 000 1990 - - 472 000 1991 - - 508 000 1992 - - 1 072 000 1993 - - 1 102 000 |
| Catalog ID | 8827039650 |
| Comments |
