-, 21st Session — Designated July 10, 1975
, : no jū Shichirōemon no Jō Sukesada (備前國住長船七郎衛門尉祐定)
Measurements 79.4 cm, 2.1 cm
Description Keijo: ; ; with an extended appearance. : mixed (majiri). : Broad -tone, with ; enter. : . : On the , the characters “” (八幡大菩薩); on the , (梵字). : ; ; one .
Artisan Sukesada ( province)
Era Tenshō 3 (1575), second month—“an auspicious day” (jōkichi-nichi)
Explanation This blade bears the signature “ no jū Shichirōemon no Jō Sukesada” and is further dated “Tenshō 3, second month, an auspicious day.” Its construction is with and a showing an extended tendency. The forging exhibits , and the tempering is a broad -based incorporating and . The remains with a tip and a single .
Pursuant to examination, the designated this sword as a on July 10, 1975 (Shōwa 50). The certificate is issued under the name of Chairman Honma Junji (本間順治).
