1999与2004年新加坡伍拾圆一组两枚,1HF与1HL同号纪念版,均PMG64-67EPQ,世界纸币Singapore, Board of Commissioners of Currency, a pair of S$50, ND(1999, 2004), near identical prefix and serial number 1HF and 1HL 930774, blue and multicoloured, President Encik Yusof bin Ishak, art works and musical instruments on reverse, LIMITED EDITION,(Pick 41a, 55), PMG 67EPQ and 64 Choice Uncirculated to Superb Gem Uncirculated, with the original folder and only a small issue of 5000 sets.