A cash seal (simplified Chinese: 宝钞印; traditional Chinese: 寳鈔印; pinyin: Baochao Yin; "Baochao" means "valuable money", "Yin" means "seal") is a type of seal used as an anti-counterfeiting measure on paper money. The cash seal first appeared during the Song dynasty in China.
A cash seal (simplified Chinese: 宝钞印; traditional Chinese: 寳鈔印; pinyin: Baochao Yin; "Baochao" means "valuable money", "Yin" means "seal") is a type of seal used as an anti-counterfeiting measure on paper money. The cash seal first appeared during the Song dynasty in China.
Source: Wikipedia "Paper money seal (China)" · CC BY-SA 4.0
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