Korean currency
The yen was the currency of Korea during the Colonial rule, from 1910 to 1945, and was issued by the Bank of Joseon It was equivalent to the Japanese yen and consisted of Japanese currency and banknotes issued specifically for Korea. It was replaced by the South Korean won at par in 1945, and by the North Korean won in 1947.
Yuan (currency)
The symbol for the yuan (元) is also used in Chinese to refer to the currency units of Japan "(yen)" and Korea "(won)", and is used to translate the currency unit "dollar" as well as some other currencies; for example, the United States dollar is called "Meiyuan" () in Chinese, and the euro is called "Ouyuan" (). When used in English in the context of the modern foreign exchange market, the Chinese yuan (CNY) refers to the renminbi (RMB), which is the official currency used in mainland China.