There is fan shape frame around Kiri-mon (paulownia patterns) on the upper part of its head, 'Nibu' with rectangular frame on the upper center, 'Mitsutsugu (Kao[written seal mark]) 'on the lower part, Kao on the center of tail, imprinted hallmark which likely to be Kobanshi's on the lower left, and it is thought to be like a proof coin because it scarcely exists now, one of which Mint Museum owners.
表面上部に桐紋を囲む扇枠、中央上部に長方形枠の「貮分」、下部に「光次（花押）」、裏面は中央に花押、左下に小判師のものと思われる極印が打たれ、現存極めて稀少であり一枚は造幣博物館が所蔵しているが、試鋳貨幣的な存在であったと考えられる。