sentences:  The won was equivalent to the Japanese yen and was replaced by the Korean yen in 1910.At the same time, Korean yen notes issued by Dai Ichi Ginko (First National Bank (of Japan), 株式會社第一銀行) also circulated.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.