noun
mameitagin; Edo-period silver currency lump
A small, bean-shaped lump of silver used as currency during the Edo period. This is a historical term; modern readers may encounter it in contexts about old Japanese money.
豆板銀は江戸時代の銀貨の一種です。
Mameitagin is a type of silver coin from the Edo period.
博物館で豆板
I saw an exhibit of mameitagin at the museum.