战国时期先秦燕国明刀一组4枚,分别144x1.6mm, 重17.1克; 141x1.6mm, 重16.0克; 138x1.3mm, 重16.4克及139.4x1.5mm,重18.4克,均评中乾82。China: Warring States Period, State of Yan, a group of 4x bronze knife money, Ming Dao, (ca. 475-221 BC), measuring 144x1.6mm, 17.1g; 141x1.6mm, 16.0g; 138x1.3mm, 16.4g and 139.4x1.5mm 18.4g respectively, all graded Zhong Qian 82. . (4) [10,11]




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