During the Ming and Qing dynasties, literati liked to hang the ancient money of the former dynasty in the shape of a sword with ropes in the hall, and named it "Green Sword" according to the legend of the ancient myth "Green Money Guide", which meant to ward off evil spirits, reduce prosperity, protect peace, pray for blessings, eliminate disasters, attract wealth and protect wealth.
Of course, it can also be laid flat on the table now.
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