Museum devoted to the history of currency circulation in Japan from ancient times to the 21st century, with multiple exhibits of valuable records and artifacts such as natively minted Wadō-kaichin coins –the oldest official Japanese coinage–, Japan’s first ever bank book, as well as Japan’s first gold coins, produced in the area and known as "Koshu gold", which would go on to be used in Japan’s first unified monetary system during the Edo period (1603-1868).