@hooiyewlim 4 February 2021 more from that month

Singapore 2007 4th Portraits Series Polymer $20 banknote

https://youtu.be/YavlcgajNG8 Year issue: 2007 Size: 149mm x 72mm Printer: NPA Prefix: AB,AC,AD Replacement Prefix: none Signature on the banknote: MR Gok Chok Tong This banknote was issued for the 40th Anniversary Currency Interchangeability Agreement Commemorative. Unless your is the Singapore and Brunei together in the folder with both same serial number, don't expect it to worth a lot cause this are an issue for normal circulation.