Korean yen
The Korean yen was the currency of Korea between 1910 and 1945. It was equivalent to the Japanese yen and consisted of Japanese currency and banknotes issued specifically for Korea. The yen was subdivided into 100 sen. It replaced the Korean won at par and was replaced by the South Korean won and the North Korean won at par.
North Korean won
In 2005, the Central Bank of the Democratic People's Republic of Korea issued commemorative 200, 500, 1000 and 5000 won notes to celebrate the 60th anniversary of the foundation of North Korea. It consists of an overprint on its regular issue notes.