Previous answer is
Mumei (unsigned) attributed as Monjyu Shigekuni
Special feature:Mojyu Shigekuni was a son of the first generation
Nanki Shigekunni. 2nd generation shigekuni made Monjyu on upper part
of the signature. He was called Monjyu Kinsuke, Shiro-uemon
and worked for Kisyu domain. His sword sometimes almost
as same as Nanki shigekuni. Probably He helped his father.
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Appraisal Quiz #564 (November 16th, 2019)
Who made this sword do you think ?
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Blade length : 71.2 cm or 28.03 inches.
Sori : 2.1 cm or 0.82 inches.
Mekugi : 1
Width at the hamachi : 3.26 cm or 1.28 inches.
Width at the Kissaki : 2.80 cm or 1.10 inches.
Kasane : 0.82 cm or 0.32 inches.
Shape : This wide and thick sword has O-Kissaki. There’re Bohi carved into on the both side.
Jigane :Ko-Itame Hada well grained with Jinie attach.
The Jigane is clear. There are fine Chikei.
Hamon : Nie Deki, Gunome Midare and double Ha with many Ashi.
In Ha, there are Ashi, Yo, Sunagashi and Kinsuji.
Boshi is round and Midarekomi shape.
Hints. ※The picture will be enlarged
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