Katana by Osafune Shichirōemon no Jō Sukesada, a smith of the Osafune school of Bizen and one of the leading names of Sue-Bizen. The blade is shinogi-zukuri with an iori-mune and an extended chū-kissaki, with a nagasa of 70.6 cm and a sori of 1.8 cm. According to the original seller and the designation description, the jigane is itame mixed with mokume and with masame on the omote, with ji-nie and utsuri; the hamon is a hiro-suguha undulating into notare, with ashi, yō, kinsuji and sunagashi; the bōshi is ko-maru. The photographs show the engravings: Hachiman Daibosatsu (八幡大菩薩) on the omote and a bonji on the ura. The tang is ubu, with a shallow kurijiri tip, katte-sagari yasurime and a single mekugi-ana. It is signed 備前國住長船七郎衛門尉祐定 (Bizen no kuni-jū Osafune Shichirōemon no Jō Sukesada) and dated on the ura 天正二二年二月上吉日 (Tenshō ni-ni-nen nigatsu jōkichijitsu), that is, the 2nd month of Tenshō 4 (1576). It was designated Jūyō Tōken at the 24th NBTHK session on 10 July 1976; the designation description attributes it to the second generation Shichirōemon. According to the original seller, the blade is published in the Yūmei Kotō Taikan. It comes in a shirasaya with sayagaki, without mounts.