Previous answer is
Naganori (Sa Heieijo) 長則(左兵衛尉)
Special feature:Generally, Fukuoka Ichimonji has many gorgeous works,
There are many works that are overwhelmingly Mumei and with signature as Ichi(一).
This Naganori has Ko Choji Midare Hamon.
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Appraisal Quiz #642 (May 29th, 2021)
Who made this sword do you think ?
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Blade length : 70.0cm or 27.55 inches.
Sori : 2.1cm or 0.82 inches.
Mekugi : 1
Width at the hamachi : 3.06 cm or 1.20 inches.
Width at the Kissaki : 2.0 cm or 0.78 inches.
Kasane : 0.63cm or 0.24 inches.
The weight of the sword 575 grams.
Shape : Regular width and thickness Katana with deep Sori.
Jigane : Ko Itame Hada well grained with Jinie attach. The Jigane is beautiful.
Hamon : Nie Deki, Gunome Midare with thick Nioikuchi.
In the Ha, there are Sunagashi and Kinsuji. Boshi is round shape with thick Nioikuchi.
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