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20 Sen - Hassanal Bolkiah 3rd portrait, Golden Jubilee
| Issuer | Autoriti Monetari Brunei Darussalam |
|---|---|
| Year | 2017-2022 |
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| Composition | Copper-nickel |
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| Obverse description | Log in to see details |
|---|---|
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| Obverse lettering | SULTAN HAJI HASSANAL BOLKIAH / سلطان حاج حسنال بلقيه |
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| Reverse lettering | AUTORITI MONETARI BRUNEI DARUSSALAM KALALANG PERAK 20 SEN ∙ 2017 ∙ |
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| Additional information |
The Golden Jubilee series marked fifty years of Hassanal Bolkiah's reign, which began in 1967 following the abdication of his father Omar Ali Saifuddien III — a figure who remained influential in Brunei's political life long after stepping down. Brunei's coinage has historically been struck under interchangeability agreements with Singapore, though later issues shifted toward greater national independence in production arrangements.
The third portrait designation reflects Brunei's practice of periodically updating the Sultan's effigy across circulating denominations — a detail that makes date-range attribution within a reign more precise than the reign year alone would suggest.