These Nishu gin silver coins started to be exchanged with one-dollar silver coins at treaty ports on June 2, but they could be used only in those ports and lacked functions of a common currency because they had to be exchanged into ichibu-gin silver coins for domestic use, for it was difficult to distribute Nishu gin silver coins, which contained comparatively much silver, all over Japan in the first place, and ichibu-gin silver coins were still generally in circulation.
開港場では6月2日より1ドル銀貨との引き換えが始まったが、この二朱銀は開港場のみでしか通用せず、もともと日本国内全般に含有銀量の多い二朱銀を流通させることが困難であり、一般に流通しているのは依然一分銀であったため、国内では一分銀に両替しないと通用しないと定められた大凡貨幣としての機能を欠くものであった。