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.
Ghana–North Korea relations
Ghana has mostly run a deficit in its trade with North Korea, meaning that Ghana is a source of foreign currencies to North Korea. In 2015, North Korea was Ghana's 77th biggest trade partner with $6.8 million in trade. Ghana imports mostly cement from North Korea. It exports mainly cocoa, gemstones, and pearls, but also precious metals.