拍品描述： 1988年中国珍稀野生动物系列第一版「白鳍豚」及「朱鹮」精铸银币10元2枚，各重27克含.925银，总含银量共50克，均NGC PF69 Ultra Cameo，连原包装及证书，编号2820，发行34600套。 Peoples Republic of China, a pair of silver proof 10 Yuan, 1988, each weighs 27g and contains .925 silver, total ASW of 50g, Endangered Wildlife, series I, Baiji Dolphins, and Crested Ibis,both graded NGC PF69 Ultra Cameo, with original packaging and certificates of authenticity, certificate number 2820, mintage of 34600 pieces each (2)