Peoples Republic of China. Five-piece gold and bi-metallic Proof Set 1993, gold 5 Yuan (1/20 oz), 10 Yuan (1/10 oz), 25 Yuan (1/4 oz), and 50 Yuan (1/2 oz); and bimetallic gold and silver 25 Yuan (gold 1/4 oz, silver 1/8 oz). All are Gem Proof in the original wooden case with no COA. Mintage of 2,500 sets. AGW 1.15 oz.