Brunei Darussalam Central Bank
The Brunei Darussalam Central Bank (Autoriti Monetari Brunei Darussalam) operates within a bilateral currency framework, notably defined by full interchangeability and 1:1 parity between the Brunei dollar and the Singapore dollar.
Quick Facts
Institutional Identity
The Autoriti Monetari Brunei Darussalam (AMBD), also known as the Brunei Darussalam Central Bank, serves as the sole issuing authority of the Brunei dollar within the framework of the Currency Interchangeability Agreement (CIA) with Singapore. This arrangement allows both currencies to circulate interchangeably at par, creating a rare hybrid monetary system where domestic issuance is structurally linked to an external currency of equal value.
Historical Evolution
Established as AMBD in 2011 and formally reconstituted as the Brunei Darussalam Central Bank in 2021, the institution unified monetary and financial regulatory functions under a single authority. Its development reflects a transition from a currency board-style framework toward a modern central banking system, while preserving the longstanding Singapore parity as the core stabilizing mechanism.
Design Philosophy
Banknote issuance is defined by a strong institutional commitment to polymer substrates, positioning Brunei among the earliest adopters of full polymer circulation globally. Production is carried out in cooperation with leading security printers such as De La Rue, incorporating transparent windows, advanced optical features and durable substrates. The Bank maintains strict continuity of Sultan Hassanal Bolkiah’s portrait across series, reinforcing institutional identity and state authority through consistent design governance.
For collectors
For collectors, banknotes issued by the Autoriti Monetari Brunei Darussalam stand out for their full interchangeability with Singapore issues, early polymer adoption and highly sought-after royal commemoratives marking key milestones of Sultan Hassanal Bolkiah’s reign. The Currency Interchangeability Agreement creates a unique cross-border collecting dynamic rarely seen in modern numismatics.