[ Feature ]
Form : Shinogi-zukuri. Iori-mune. Mihaba is relatively wide. Kasane is ordinal. Shallow sori attached. Chû-kissaki form.
Nakago : Ubu. Yasurimes are suji-kais. Saki is shallow kuri-jiri. Two holes.
Jigane : In itame, mokume mixed. Hada is a little remarkable. It becomes in nagare-gokoro. Jinie attached.
Hamon : It runs in sugu at yaki-dashi. Then, ko-notares and gu-no-mes mixed. Ashi appeared. Nie attached. Kin-sujis and sunagashis appeared.
Boushi : It runs in shallow notare, then turns relatively deep in round.

Tsunahiro had his signatures such as "城州住源綱廣" or "近江守源綱廣". He worked at Kyôto in Kabun, Edo period. According to the book, titled "古今鍛治備考", Tsunahiro was identical with Sei-shû Yoshihiro around Genroku era. If this theory was corret, he moved to Ise province later, changed his name to Yoshihiro. The swordsmith in Yamashiro province duirng Shintô era, there were three schools, such as Umetada("埋忠"), Mishina("三品"), or Horikawa("堀川"). This swordsmith Tsunahiro, who created this sword, seemed to be considered studying under Horikawa scholl observing signature and its style.


Referenced material : "犬養木堂注記本　古今鍛治備考 (全)" edited and written by YAMADA Asaemon, commentary by FUKUNAGA Suiken, Shôwa 50(1975)

[ Conditions ] There is a jigane part which showing a little rough in the middle of back side of blade. There is tiny scratch caused by habaki. The conditions of polishing, shirasaya and habaki maitain excellent.