铜雕母始于明代,盛于清朝。雕母又称祖钱,在明代,铜坯经过人工雕刻成钱币模型,专供皇帝和有关机构审查。批准合格后,再用雕母翻铸母钱,由监制部门以样钱颁发下去,各地就可用它来铸流通年号钱。 Copper engraving mother began in the Ming Dynasty, flourished in the Qing Dynasty. Carved mother also known as the ancestral money, in the Ming Dynasty, copper billets were artificially carved into coins model, specifically for the emperor and the relevant agencies to review. Approval of qualified, and then carved mother carved mother money, issued by the supervisory department to sample money, around it can be used to cast circulation Tonghao money.