刀币是对春秋战国时期铸行的针首刀、尖首刀、明刀和齐刀、圆首刀等各种刀形货币的总称。因其形状像刀而得名。流通于春秋战国时期的齐、燕、赵等国。种类很多,有齐刀、即墨刀、安阳刀、针首刀、尖首刀、圆首刀和明刀等。刀币由刀首、刀身、刀柄和刀环四个部分组成。刀之缘以外廓,刃不向外,向左而不向右, The knives and coins are the generic term for all kinds of knives and knives, such as the first knives, the sharp knives, the knives and the knives, the knives and other knives that are cast during the Spring and Autumn Period and the Warring States Period. Because of its shape like a knife named. Circulation in the Spring and Autumn Period War Qi, Yan, Zhao and other countries. There are many kinds of knives, knives, ink knives, Anyang knives, needle knives, pointy knives, round knives and knives. Money knife by the knife head, blade, knife handle and knife ring four parts. Edge of the knife to the outline, the blade does not outward, left and not to the right,