| Issuer | Brunei |
| Year | 2017 |
| Type | Circulating commemorative coins |
| Value | 50 Sen |
| Currency | Ringgit / Dollar (1967-date) |
| Composition | Copper-nickel |
| Weight | 9.5 g |
| Dimensions | 27.76 mm |
| Thickness | 2 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#99 |
| Obverse description | Portrait of Sultan Haji Hassanal Bolkiah |
| Obverse script | Arabic, Latin |
| Obverse lettering | • سلطان حاج حسن البلقیة • SULTAN HAJI HASSANAL BOLKIAH |
| Reverse description | Royal crown (Mahkota), denomination below, date bottom |
| Reverse script | Arabic, Latin |
| Reverse lettering | سمبوتن جوبلي امس کباوه دولي يڠ مها
موليا ڤدوک سري بݢيندا سلطان حاج حسن البلقیة معز الدین والدولة
مناءيقي تختا 2017
MAHKOTA
50
SEN
AUTORITI MONETARI BRUNEI DARUSSALAM (Translation: Celebration of the Golden Jubilee of His Majesty Sultan Sultan Haji Hassanal Bolkiah Mu’izzaddin Waddaulah ascension to the throne, Monetary Authority of Brunei Darussalam) |
| Edge | Reeded |
| Mint | |
| Mintage | 2017 - Distributed to school children - 500 000 2017 - In Sets - 3 000 |
| Catalog ID | 2305512980 |
| Comments |
