SEA:
Singapore

Singapore pick 49a: 50 Dollars from 2005
2005. Slate blue and multicolor. President Encik Yusof bin Ishak at right. Back: Arts - music graphics. No symbol below "ARTS" on back.

Singapore pick 51c: 1000 Dollars from 2009
ND (2009). Purple on multicolored udnerprint. Encik Yusof bin Ishak at right. "Flag" at bottom center. Back: government buildings: parliament house, Istana, and the old supreme court building. Watermark: Encik Yusof bin Ishak and braille codes. Two triangles below "GOVERNMENT" on back.
Other Info

Singapore pick 53: 20 Dollars from 2007
6.2007. Brown, yellow, and multicolored underprint. President Yusof bin Ishak at right. Back: 40th Anniversary of Currency Interchangeability with Brunei. Polymer plastic. 141x69mm.

Singapore pick 61a: 50 Dollars from 2015
2015. Polymer plastic. Gold, green and red. Lee Kuan Yew shouting "Merdekal", four children at left and President Encik Yusof bin Ishak at right. Back: modern buildings, bridge and soldiers marching during First National Day Parade 1966. Brown vertical serial number at right.