光绪通宝宝晋大钱浅释孙仲汇《历代古钱图说》２０６页光绪通宝宝晋局大钱（图１），马定祥批注：“应为宝津局。该钱采用红铜夹心，内为铅质制成，亦见黄铜夹心者，系机制样币。另见光背翻沙铸品，皆珍。”马先生未说明定作宝津局的理由，今找到部分实物资料，似可对这个... Guangxu Tong Jin big money shallow explanation Sun Zhonghui “ancient money map that” 206 pages Guangxu baby Jin Council big money (Figure 1), Ma Dingxiang endorsement: “should be Baojin Bureau. The money using copper sandwich, which is made of lead , See also brass sandwich, the Department of system currency. See also the light back sand casting, are Jane. ”Mr. Ma did not explain the reasons given for the Bureau of Baojin, now find some of the physical information, it may be on this ...