4862清·咸丰元宝宝巩当百圆头巩说明:本品为甘肃钱币收藏家张卫东先生旧藏。有铸造裂纹,钱文写法不同于一般巩局当百,满文“巩“头部圆润,故称作“圆头巩“,完全未流通,铜质精良,地张翻砂痕迹尤在,穿口精修,边道规整,虽有铸造裂纹,但声音清脆无比,存世珍罕,不可多得。出版:1.《陇泉集萃》P73,张光华著,甘肃民族出版社,2016年出版2.《甘肃钱币选粹》P39,张光华著,甘肃人民出版社,2006年出版QING DYNATY A COIN WITH 'XIANFENG' MARKIllustrated: 1. Collection of Coins from Gansu Province, p. 73, Gansu Ethnic Publishing House, 20162. Selected Coins from Gansu, p. 39, Gansu People's Publishing House, 2006Provenance: Previously collected by Zhang Weidong, a coin collector of Gansu.直径:52mm数量:1RMB: 45,000–90,000