The Museum of Japanese Sword Fittings, ed., Kamakura kaji to Edo kinko (Swordsmiths of Kamakura and metalworkers of Edo), exh. cat. (Tokyo: Museum of Japanese Sword Fittings, 1998), no. 13, p. 13.
_________, Shinshun tokubetsu ten, busho to aito ten (Special New Year's exhibition, warriors and their favorite swords), exh. cat. (Tokyo: Museum of Japanese Sword Fittings, 2001), no. 7, p. 12.
The sword is probably by one of the smiths who worked in the late Soshu style at Odawara during the late Muromachi period.