Characteristics of copper shell

The original copper shell imitates the original shell shape, and people can control its size, weight and shape, so it has incomparable advantages over natural shell money. The appearance of copper shell opened the precedent of metal coinage. During the Warring States period, people paid more attention to the identifiability and convenience of money, so a copper shell with regular volume, balanced quality and inscription was produced. This kind of copper shell is modeled after seashells on the back, and there are several inscriptions on the surface, such as pottery, gold, thread, monarch, etc., among which the word "〓" is the most, that is, as shown in the figure, because it forces people to face it, it is commonly called "face money" or "ant nose money" During the Warring States period, the amount of grimace money was mostly Chu. The market value of copper shell is not high. The valuation of the copper shell in the Yin and Zhou Dynasties was about RMB 45 yuan, and the ant nose money in the Warring States Period ranged from RMB 3 yuan to 80 yuan.