When Kanjo bugyo (commissioner of finance) Tadamasa OGURI planed construction of Yokosuka Iron Factory, he tried to cover the cost by the profit of recasting nibuban, therefore it was also called Oguri nibukin. |
勘定奉行の小栗忠順は幕府が慶應元年(1865年)に横須賀製鉄所の建設を計画した際、その建設費をこの二分判による改鋳利益で賄おうと企てたため、小栗二分金(おぐりにぶきん)とも言われた。 |