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,分别评NGC PF 69 Ultra Cameo,PF 68 Ultra Cameo,PF 68 Ultra Cameo及PF 68 Ultra Cameo,#6342452-013至#36342452-016。People s Republic of China, set of 4x silver 5 Yuan, 1987, Historical Figures Series IV, Du Fu , Li Chun , Songzan Ganbu and Li Bai , each weigh 22g, total ASW 80g (2.57oz), with original box and certificate of issue,graded NGC PF 69 Ultra Cameo, PF 68 Ultra Cameo, PF 68 Ultra Cameo and PF 68 Ultra Cameo respectively, #6342452-013 to #36342452-016 (1 box of 4 coins).