World Currency
Singapore Board of Commissioners of Currency $20 ND (1979) Pick 12. The last time the $20 note was included as a regular issue. A Concorde is seen on the back of this note with a Singapore Airlines livery. This plane was co-operated with British Airways, and had the British Airways livery on the other side. PMG Superb Gem Uncirculated 67 EPQ.
Estimate: 100-150 USD