 These were called Bundōkin (分銅金), of which there were two types, the small Kobundō (小分銅), and the large Ōbundō (大分銅).A Kobundō would represent about 373g in gold.Tokugawa coinage was a unitary and independent metallic monetary system established by "shōgun" Tokugawa Ieyasu in 1601 in Japan, and which lasted throughout the Tokugawa period until its end in 1867.