1979 Singapore Board of Commissioners of Currency 20 dollars, plus a pair of 2007 Singapore and Brunei 40th Anniv of Currency
1979 Singapore Board of Commissioners of Currency 20 dollars, plus a pair of 2007 Singapore and Brunei 40th Anniv of Currency Interchangeability Agreement commemorative notes. Former PMG Gem UNC 66 EPQ.1979年新加坡貨幣發行局20元，另附一對2007年新加坡及汶萊貨幣等值協議四十週年20元紀念鈔。前者評PMG Gem UNC 66 EPQ。
