The sword fittings feature a design of chrysanthemums.
Inscription: Inscribed on the knife blade (kogatana): 豆州住直繼 (Zushū jū Naotsugu) (Naotsugu, residing in Izu Province [present-day Shizuoka Prefecture]); on the sword guard (tsuba): Sōheishi Sōtensai.
Dr. Frederick Malling Pedersen, New York (until d. 1947; by inheritance to his godson, Henry Shiro Iijima); Henry Shiro Iijima, New York (1947–d. 1994; by inheritance to Etsuko O. and John H. Morris, Jr.); Etsuko O. and John H. Morris Jr., New York (1994–2007; their gift to MMA).
New York. The Metropolitan Museum of Art. "Japanese Arms and Armor from the Collection of Etsuko and John Morris," January 25, 2018–January 6, 2019.