Previous answer is
Unshu Takahashi Naganobu Saku/Ansei 5 Nen 8 Gatsu Kichijits
Special feature: Unshu Takahashi Naganobu became an adoted child after becoming a student of Izumo 5generation Fuyuhiro(Takahashi Ryosuke) in the 13th year of Bunsei.
In the 14th year of Tenpo, he succeeded Wakasa Kami Fuyuhiro 17th generation and became a swordsmith of teh Matsue domain under the name of Takahashi Ehei.
By the order of the feudal clan, he went to Edo and became a student of Chousai Tsunatoshi. He passed away on May 20th Meiji 12 year, at the age of 64.
His works are Soshuden style Gunome Midare. There are many swords that are better than his master Tsunatoshi.
Appraisal Quiz #613 (October 31th 2020)
Who made this sword do you think ?
Blade length : 53.0 cm or 20.86 inches.
Sori : 0.6 cm or 0.23 inches.
Mekugi : 1
Width at the hamachi : 3.27cm or 1.28 inches.
Width at the Kissaki : 2.43cm or 0.95 inches.
Kasane : 0.73 cm or 0.28 inches.
The weight of the sword 635 grams.
Shape : Wide 3.27cm and thick Wakizashi with moderate Sori, large Kissaki blade.
Jigane : Ko Itame Hada well grained with Jinie attach.
There are fine Chikei.
Shinogi-Ji: Ko Itame Hada well grained with Ko Mokume Hada mixed.
Hamon : Ko Nie Deki, Suguha Hamon with thick Nioikuchi.
There are small Ashi. The Habuchi is soft and bright.
Boshi is pointed and round shape. In the Ha, there are Kinsuji.
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