L. 14 15/16 in. (37.9 cm); L. of blade 13 9/16 in. (34.5 cm); L. of cutting edge 9 11/16 in. (24.6 cm)
Gift of Peter H. B. Frelinghuysen, 1998
Not on view
Inscription: Inscribed on the tang of the blade, on the obverse: 備州長船盛光 (Bishū Osafune Morimitsu) (Morimitsu, Osafune, Bizen Province [present-day Okayama Prefecture]); on the reverse: 應永三十二年八月日 (Ōei sanjūni-nen hachi-gatsu hi) (Thirty-second year of Ōei , eighth month, day).