Since its official adoption on May 10, 1871, the yen is the functional currency of Japan. The banknotes used today were renewed in 2004, while the coins come from the XNUMXth century. You have all the information in: «The Japanese yen: value, curiosities and history of the currency of Japan«.
You have all the information in: "The Japanese yen: value, curiosities and history of the currency of Japan".