China (Peoples Republic), gold 1 oz proof official Panda issue, 1990, 19th Zurich International Coin Exposition, NGC PF 67 Ultra Cameo. KM-unl; PAN-139A. Spots of light red toning on rim. Very low mintage and even fewer extant. Mintage: 550 (planned; estimated <450 extant). Pedigreed to the Gansu Collection of Chinese Panda Coinage.