On the backside from the top to bottom, the seal for the name of the period (only for Genroku-Oban-kin), is carved 'Gosan-hadaka-kirimon-kokuin' (literally, 5 and 3 simple engraved paulownia patterns), 'Gosan no kiri' an engraved mark in a circle and a tortoise shell frame, Goto family's Kao mark engraved in a round frame and 3 'zanin-kokuin (engraved marks for the hereditary officers of Kinza and Ginza during the Edo era)' on the left side.
裏には上から年紀銘刻印（元禄大判金のみ）、五三裸桐紋刻印、丸亀甲枠に五三桐紋刻印、丸枠に後藤花押刻印、左端に3つの座人刻印がある。