1977年新加坡货币发行局500元。2枚一组。TDLR印製。65EPQ连号。PMG Gem Uncirculated 65 EPQ.SINGAPORE. Board of Commissioners of Currency. 500 Dollars, ND (1977). P-15a. PMG Gem Uncirculated 65 EPQ.(KNB19a-b) 2 pieces in lot. Printed by TDLR. A gem 65 EPQ consecutive pairing of the ND 1966 500 Dollar design.