战国时期刀币一组4枚,分别燕国3枚,赵国1枚,针首刀1枚,尖首刀2枚,及直刀甘丹,分别评中乾真品,82,82及78。China: Warring States Period, a group of 4x knife money, with 3 from the State of Yan and 1 from the State of Zhao, (ca. 475-221 BC), Zhen Shou Dao - 148x1.2mm, 8.2g; 2x Jian Shou Dao - 160.8x2.9mm, 16.2g & 156x1.4mm, 13.1g; Zhi Dao Gan Dan - 130x1.3mm, 11.7g, Zhong Qian graded Genuine, 82, 82 and 78 respectively. . (4) [6-9]