Differing from the Oban (large-sized gold coin) that had been issued up to that time, Manen Oban had the purpose of being used as a currency, and it was issued as a 25-ryo gold coin, 25 times of Manen Koban (small-sized gold coin of the Manen era).
万延大判はこれまでの大判と異なり通貨としての目的もあり、万延小判に対し二十五両金貨として発行された。