An Osaka katana | Signed Tango no kami Naomichi | Edo period, 17th century

Property from a Private Collector

An Osaka katana 

Signed Tango no kami Naomichi

Edo period, 17th century

Sugata [configuration]: Honzukuri, iori-mune, even tori-zori, chu-kissaki

Kitae [forging pattern]: The jigane in tight ko-itame hada with ji-nie 

Hamon [tempering pattern]: Rounded gunome midare choji in ko-nie, with togariba and profuse ashi, yakidashi

Boshi [tip]: The ko-maru boshi with suguha and kaeri

Nakago [tang]: Ubu, with a slight adjustment to the kiri-jiri, one mekugi-ana, sloping higaki yasurime file marks, the katana-mei signed Tango no kami Naomichi 

Habaki [collar]: Gold

With shirasaya [plain wood scabbard]

Koshirae [mount]: The handachi koshirae of dense sprinkled aogai on a black lacquer ground, the iron fittings with russet migakiji and gilt, also to the kabuto-gane, the menuki in the form of gilt nail-puller and circle crests (maru ni kuginuki mon), the tsuka with brown ito, the round gilded iron pierced nanban tsuba with dragons

Nagasa [length of from kissaki to machi]: 63.4 cm., 25 in. 

Saki-haba [width at the yokote]: 2.1 cm., ⅞ in. 

Moto-haba [width at the machi]: 3 cm., 1 ¼ in.

Accompanied by a certificate of registration as a Tokubetsu Hozon Token [Sword Especially Worthy of Preservation], no. 150663 issued by the Nihon Bijutsu Token Hozon Kyokai [Society for the Preservation of the Japanese Art Sword], dated Heisei 17 (2005).