China
People's Republic Bi-metallic Proof Panda 500 Yuan (5 ounce gold-2 ounce silver) 1996, KM897, Proof 68 Ultra Cameo NGC. In NGC Jumbo holder and also includes the original box and wooden case with COA # 169. Much rarer than the listed mintage of 199 pieces might indicate. This is the largest denomination of the unusual bi-metallic issues, and the 5 ounce pieces rarely appear for sale in the marketplace.
Estimate: 50000-60000 USD