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.
Korean currency
Following the end of the division of Korea, the won was introduced to replace the Korean yen. The won was subdivided in 100 jeon. The first banknotes were issued by the Bank of Joseon in denominations ranging from 5 jeon to 100 won. In 1950 the currency management switched to the Bank of Korea and new notes were then issued, mostly with higher denominations.