Katana, Koshirae

[ Signature ] omote : 陸奥白川住宗俊　ura : 元治元年八月日

[ Size ] Blade length: 71.3 cm (2 shaku 3 sun 5 bu 3 rin), curvature: 1.9 cm (6 bu 2 rin), base width: 3.16 cm, base thickness: 0.83 cm, tip width: 1.89 cm, tip thickness: 0.53 cm, mekugi hole: 1, blade weight: 919 g, total length with shira-saya: 100.7 cm

[ Province ] Mutsu

[ Feature ]
Form : Shinogi-zukuri, iori-mune, wide body, thick layer of grain, slight difference in width between base and tip, slight curvature, medium cutting edge.
Nakago : Raw tang, large file marks o-suji-kai with cosmetic filing kesho yasuri, sword-shaped tip, one mekugi hole. 
Jigane : The jigane has a small itame-hada texture with ji-nie and a chikei pattern. 
Hamon : The hamon is a mixed pattern of chouji and ko-gunome with ashi. 
Boushi : The hat is irregular and returns to a small round shape.

[ Highlight ] Koyama Munetsugu was a swordsmith from Shirakawa, Mutsu, with the first generation active around the Tenpo era and the second around the Keio era. The first Munetsugu was a disciple of Nihonmatsu Koyama Munetsugu, who was from the Shinshin-shi Masahide school. Incidentally, Nihonmatsu Koyama Munetsugu is not the same person as Kato Tsunahide's Koyama Bizen no Suke Munetsugu.The first Muneyoshi produced works dated Tenpo 12 and Koka 2, and died in 1870 at the age of 76. The second Muneyoshi signed his works with the name Muneyoshi, and produced works dated Bunkyu 1, Genji 1, Keio 1, and 3. He died in 1888 at the age of 53.This work has a date inscription of Genji 1, and is thought to have been made by the second generation Munetoshi at the age of 29, shortly after he took his name. It is wide and slightly thick, with a slight difference in width between the base and tip, a slight curvature, and a medium cutting edge, and has a long tang. It has a well-grained itame-hada texture, a random ko-gunome pattern, and a well-ashi-defined hamon.

[ Conditions ] There is a tiny char balck spot, but it does not interfere with viewing, and otherwise it is in excellent condition.

[ Attachments ] Habaki(suaka-ji, silver foiled, double), shirasaya, bag of shirasaya and NBTHK hozon paper 保存刀剣鑑定書(issued on 15th Dec. Reiwa 5(2023))

[ Item number ] A060625 [ Price ] JPY 1,100,000- (shipping and insurance fee are not included in the price)

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