1973年新加坡货币发行局伍拾圆。替补券。SINGAPORE. Board of Commissioners of Currency. 50 Dollars, ND (1973). P-5d. Replacement. PCGS GSG Choice About Uncirculated 58 Details. Tear. Z/1 冠字替补劵。仅一丝流通,色彩艳丽,仅一小撕裂。 Z/1 Prefix Replacement. Nice color and just a tear to mention beyond just a hint of circulation.