| Jiao Zi (Paper Currency) |
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| Jiao Zi (Paper Currency) - In Song Dynasty, businessmen in Chengdu jointly issued Jiao Zi, the world’s oldest paper currency. And officials here set the world’s oldest bank “Jiao Zi Wu” to manage savings. The emergence of Jiao Zi, is an important event in history of economy, printing and arts of the world. |
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