Genbun koban were minted from the first year of the Genbun Era to the first year of the Bunsei Era (1736-1818).
 It is also known as a Shinbun koban because of the engraving of the character for "Bun" in true script on the back.
 The horse god engraving on the back of the koban is a symbol of good fortune.
 The grade is gold 653 / silver 347, weight 13.00g.