Brunei Postal Services Department
The Postal Services Department (Malay: Jabatan Perkhidmatan Pos) is a government department which is responsible for providing postal service in Brunei. == History == A postage stamp dated 24 April 1894, bearing the Brooketon postmark (present-day Muara), is among the earliest stamps used in Brunei.
Source: Wikipedia — Brunei Postal Services Department (CC BY-SA 4.0)