Manen nibuban was issued from May 30, 1860 and the ryome of two coins was more than Manen nibuban that was issued at the same time, however it was nominal money having the least content of gold through the Edo period and the issued amount was much more than Manen koban taking initialtive of gold coin distribution and it was positioned as standard coin in effect in place of koban.
万延二分判（まんえんにぶばん）は万延元年（1860年）4月10日より発行され、2枚の量目では同時に発行された万延小判を上回るが、含有金量では劣る名目貨幣で一両あたりの含有金量では江戸時代を通じて最低のものであり、発行高は万延小判をはるかに凌ぎ、金貨流通の主導権を握り、小判に代わり事実上の本位貨幣的地位を制した。