A sentence was written on the surface of Nanryo Nishu gin silver which said "Eight coins of Nanryo can be exchanged with a koban (former Japanese oval gold coin) of 1 ryo," but merely a simple word "Nishu gin" was written on that of Ansei Nishu gin silver.
南鐐二朱銀の貨幣面の表記は「以南鐐八片換小判一兩」であったが、安政二朱銀では「二朱銀」と単刀直入なものになった。