The Brunei dollar has the Sultan Omar Ali Saifuddien Mosque with the Royal Barge and a water village. For Singapore, it is the Esplanade and buildings along the city's waterfront.
The front of each is different. Brunei's has the portrait of Sultan Hassanal Bolkiah and the Ipomoea Pes-capre, a resilient plant that symbolises the longstanding treaty. Singapore's hasthe portrait of its first president, the late Yusof Ishak. The orchids are Dendrobium Puan Noor Aishah, named after his wife.