Some believe that "Nanryo Nishu Ban" would be a more appropriate term to describe this currency as it belongs to the same category as Koban (flat, oval gold coins that were used in the Edo period) and Ichibukin (flat gold coins with a value of 1/4 of 1 ryo Koban).
そのため、小判および一分金に並ぶ貨幣として南鐐二朱判（なんりょうにしゅばん）と呼ぶべきとする説がある。