1990-91年100元金币。世界文化人物系列。 (t) CHINA. Duo of Gold 100 Yuan (2 Pieces), 1990-91. World Cultural Figures. Both NGC Certified. AGW: 0.6674 oz. for both.1) 1990. NGC PROOF-67 Ultra Cameo. Fr-31; KM-309. Series I, featuring the Yellow Emperor, Xuan Yuan.2) 1990. NGC PROOF-69 Ultra Cameo. Fr-41; KM-376. Series II, featuring the Emperor Yan Di.