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.

==============================================
Appraisal Quiz #642 (May 29th, 2021)
Who made this sword do you think ?
==============================================

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.

================================================

Answer will be posted at next Appraisal Quiz.

================================================

(Please acknowledge not replying to mail about Appraisal Quiz by our convenience.)