China
People's Republic of China. Five-piece gold Panda Proof Set 1986, 5 Yuan (1/20 oz), 10 Yuan (1/10 oz), 25 Yuan (1/4 oz), 50 Yuan (1/2 oz), and 100 Yuan (1 oz), KM-PS21, all are Gem Cameo Proof in the original case of issue with no COA. AGW 1.9 oz.
Estimate: 2750-3000 USD