Bidspirit auction | People's Republic of China Gold

People's Republic of China Gold and Silver Coins - 1980, Winter Olympic Games, 30 yuan, complete set of four proof silver coins, piedfort, weight 30g x4 (0.850 silver), ASW 3.28oz, each coin is in plastic capsule housed on original box with COA. The certificates mention a mintage of 1,000 pieces for each, but actually only 500 sets were produced, made this unit most rarest and highly desirable in Chinese Numismatics (Est. $12,500- $15,000), KM 23-26 var