1987年中国杰出历史人物系列第四组精铸银币5元一套4枚,包括“杜甫”、“李春”、“松赞乾布”及“李白”,各重22克,总含银量80克(2.57盎司),附原盒及证书。People s Republic of China, set of 4x silver 5 yuan, 1987, Historical Figures Series IV, Li Bai , Du Fu , Li Chun and Songzan Ganbu , total ASW 2.57oz, Uncirculated, in original green lacquered presentation case, and certificate of issue, limited mintage of 9650 sets (4)