Set of 8 – 1980 OLYMPIC COINS OF CHINA Mint Jinhuang Copper PROOF SET People’s Republic. Complete Set of Eight (8). The 1980 Olympic Coins of China. Jinhuang Copper Proof Set. Struck by the China Mint. In the People’s Republic of China. The coins are sealed/untouched in their original folder and are in excellent condition. The blue folder has some wrinkles on the cover and the adhesive from the velcro has spread out. See pictures for more details.