20 SGD = USD 15
Numista type number (https://numista.com)
Tracy L. Schmidt (editor); 2019. Standard Catalog of World Paper Money. Modern issues 1961-present (25th edition). Krause Publications, Iola, Wisconsin, USA.
And 2 more volumes.
40 years of Singapore-Brunei Currency Interchangeability Agreement (1967-2007)
Flower, Yusof bin Ishak, first President of Singapore.
Yusof bin Ishak was a Singaporean politician who was the first President of Singapore elected by the Parliament of Singapore, serving from 1965 to 1970.
SINGAPURA 新加坡 சிங்கப்பூர் SINGAPORE
THIS NOTE IS LEGAL TENDER
Yusof bin Ishak
First President of Singapore
In the Middle- Two interlocking C's (for "Currency"). At the intersection, the state crests of Brunei and Singapore.
The Currency Interchangeability Agreement (the Agreement) between Brunei Darussalam and Singapore was established in 1967 to promote monetary cooperation between the two countries.
At right, for Brunei, the Sultan Omar Ali Saifuddien Mosque with the replica of a 16th century Royal Barge and the Water Village.
At left, for Singapore, the Esplanade - Theatres on the Bay and buildings along its city waterfront.
Portrait of Yusof bin Ishak