1986年100元金幣。世界野生動物基金會系列。野耗牛。罕见诱人,雾光出眾,底板光泽如镜。(t) CHINA. 100 Yuan, 1986. NGC PROOF-69 Ultra Cameo.Fr-18; KM-151. World Wildlife Fund issue: Wild yak. Mintage: 3,000. A SCARCE and enticing issue, this near-flawless specimen radiates with great frosting and an immense mirrored nature to the fields.