战国时期小型刀币「明刀」2枚一组,136.8x1.6毫米,15.6克,及140.2x1.6毫米,14.6克,前者评中乾真品,后者78。Warring States, lot of 2x small sized knife money, Ming Dao , 136.8x1.6mm, weighs 15.6g and 140.2x1.6mm, weighs 14.6g,the first graded Zhong Qian Genuine and the second Zhong Qian 78 (2)