CHINA. 5 Ounce Silver Medal, 1985. Panda Series. NGC PROOF-66 ULTRA CAMEO.,Bruce-MB3; PAN-29a. Struck for the 4th Hong Kong International Coin Exposition. From a mintage of only 1,000 pieces. No breaks to frosted device. Some light toning on rim.,NGC PROOF-66 ULTRA CAMEO.,