1987年詹天佑诞辰125週年精铸纪念银币100元,重12安士,实际发行量2911枚,NGC PF67 Ultra Cameo,稀见 Peoples Republic of China, [NGC PF67 Ultra Cameo] silver proof 100 yuan , 1987, 125th Anniversary of the Birth of Zhan Tianyou, 12oz, mintage 6000 (actual 2911 pieces),(KM-177), #3597011-004. Scarce