Katana, Shirasaya

[ Signature ] omote : no signature　ura : -

[ Size ]Blade length: 68.1 cm (2 shaku 2sun 4 bu 7 rin), Curvature: 1.4 cm (4 bu 6 rin), Base width: 3.19 cm, Base thickness: 0.77 cm, Tip width: 2.03 cm, Tip thickness: 0.48 cm, Two mekugi holes, Blade weight: 884 g, Total length of shira-saya: 98 cm

[ Province ] Bizen

[ Feature ]
Form : Shinogi-zukuri, with an iori-mune ridge; the blade is slightly thick with a wide body, featuring a high ridge line, a slight difference in thickness between the base and tip, moderate curvature, and a medium cutting edge.
Nakago : The nakago tang is in its original state, with file marks sloping downwards; the tip is chestnut-shaped, and there are two mekugi holes. The hamachi is about one and a half sun set back.
Jigane : The jigane exhibits a well-grained itame-hada texture, mixed with mokume-grain, with ji-nie and fine ground-patterns.
Hamon : The hamon is mixed with chouji and pointed edges; it features small ashi and leaf-like patterns, with nie, and is overlaid with kin-suji and sunagashi patterns.
Boushi : The boshi is irregularly curving, small and round, sweeping towards the tip and curving back slightly.

[ Highlight ] Sukesada of Osafune was a swordsmith from the Sue-Bizen period; in response to the demand for swords during the turbulent Muromachi period, numerous swordsmiths bearing the same name established themselves on the Bizen Osafune base. This piece is a Sukesada dated to the Eiroku era; in later years, the blade was shortened by about one and a half sun and the tang was re-forged to be longer. It is a well-proportioned sword with a pleasing curvature, offering a solid grip. The steel exhibits a well-grained itame-hada texture, interspersed with mokume-grain and flowing grain, featuring ji-nie and fine chi-kei. The hamon consists of a koshi-biraki mutsu-me pattern, interspersed with chōji and pointed edges, with ashi and yo, a strong nioi-nie, and abundant nie, accented by kin-suji and sunagashi, creating a truly impressive work.

[ Conditions ] Excellent.

[ Attachments ] Habaki (silver, single), shirasaya, bag of shirasaya and NBTHK hozon paper (issued 15th Dec. Reiwa 5(2023)).

[ Item number ] A050526 [ Price ] JPY 550,000- (shipping and insurance fee are not included in the price)

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