符牌《积古斋钟鼎款识》记录了两件汉代发兵用的铜虎符。这就是《史记·信陵君传》中所讲到过的兵符。这两件实物发现之后,我们才见到它的制作形象。后来,各种兵符出土渐多,从汉代到隋代,发兵都是用虎符为凭的。到了唐代,发兵不用虎符了,另有一种铜制的鱼符和龟符,用作出入宫禁的凭信。宋代以 Symbol “plot Ancient Zhai tripod section identification” recorded two Han Dynasty made use of the bronze symbol. This is the “Shiji Xinling Jun Biography” mentioned in the military symbol. After these two physical discoveries, we have seen its production image. Later, a variety of weapons were unearthed more and more, from the Han Dynasty to the Sui Dynasty, the troops are made by the tiger. To the Tang Dynasty, the soldiers do not have a tiger symbol, and another one of the bronze fish symbols and turtles, used as access to the palace ban with the letter. Song Dynasty