193 1 During the "September 18th Incident" in and 1945 when Japan surrendered, the Japanese-supported puppet government in Chinese mainland established seven puppet regime banks, including Manchuria Central Bank, Central Reserve Bank and Jidong Bank, which issued banknotes and coins. At the same time, the money issued by the Bank of Yokohama, the Bank of Korea and the Japanese military ticket also poured into China. For a long time, these currencies have been circulating in the occupied areas of China. Therefore, the currency used in the Japanese occupation area is too miscellaneous, the national government control area uses legal tender, and the * * * production party control area uses side notes. At that time, the silver dollar was always recognized as the currency in circulation.