six mon coins crest; Sanada clan crest
Historical term referring to the family crest of the Sanada clan, depicting six mon coins. Traditionally associated with the fare for crossing the Sanzu River in Buddhist folklore.
See also: 三途の川
The Sanada family crest is the six mon coins.
During the Warring States period, the Sanada army, which flew the six mon coins banner, is famous.
六 (six) + 文 (mon, old currency unit) + 銭 (coin). The crest's design is traditionally linked to the fare for crossing the Sanzu River in Buddhist belief.