The paintings, which were given to the Duke at Istana Darul Hana on 28 February 1959, during his visit to Brunei, show Kampong Ayer from the Residency hill and the construction of the Sultan Omar Ali Saifuddin Mosque.

[3] One of the oldest outdoor artworks in the nation is a 30 metres (98 ft) wide mosaic mural located on the front of the Language and Literature Bureau.

The artwork was finished in 1965 and commissioned by Sultan Omar Ali Saifuddien III, was fashioned using mosaic tiles that were manufactured in accordance with a painting that was created in 1963 by him.

He was involved in several state visits especially during the Sultan's two trips to China in 2001: one for the informal gathering of APEC business leaders and the other for the high-level debate on human capacity building.

[8] Pengiran Asmalee created a style known as "Zikirism," which is akin to Pointillism and involves painting with pure colour dots while firmly remembering Allah as he is influenced by his Islamic beliefs.