1986年中国杰出历史人物系列第三组精铸银币5元一套4枚,包括「祖冲之」、「蔡伦」、「司马迁」及「张衡」,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 67 Cameo,PF 69 Ultra Cameo,PF 69 Ultra Cameo及PF 69 Ultra Cameo,#6342452-009至#36342452-012。People s Republic of China, set of 4x silver 5 Yuan, 1986, Historical Figures Series III, Zu Chong Zhi , Cai Lun , Sima Qian and Zhang Heng , each weigh 22g, total ASW 80g (2.57oz), with original box and certificate of issue, graded NGC PF 67 Cameo, PF 69 Ultra Cameo, PF 69 Ultra Cameo and PF 69 Ultra Cameo respectively, #6342452-009 to #36342452-012 (1 box of 4 coins).