It was characterized by the engraved mark of "Gen" (the first letter of the word Genroku era) on its back, making itself the only coin bearing such a mark among other Oban coins, although this kind of mark could often be seen on Kobans and Chogin silvers whose contents of gold were decreased.
裏面には「元」の年代印が打たれることを特徴とするが、品位が低下された小判および丁銀にしばしばこの年代印が見られるのに対し、大判としてはこの元禄大判の年代印が唯一のものである。