Issued to mark the 50th anniversary of Hassanal Bolkiah's accession in 1967, this series replaced the long-running second portrait coinage that had circulated since the 1990s. Brunei's currency has been interchangeable at par with the Singapore dollar since the 1967 Currency Interchangeability Agreement — one of the few bilateral monetary arrangements of its kind still fully operational today.
Issued to mark the 50th anniversary of Hassanal Bolkiah's accession in 1967, this series replaced the long-running second portrait coinage that had circulated since the 1990s. Brunei's currency has been interchangeable at par with the Singapore dollar since the 1967 Currency Interchangeability Agreement — one of the few bilateral monetary arrangements of its kind still fully operational today.