Previous answer is
Mumei(attributed as Den Norishige)
無銘(伝則重)
Special Feature: Norishige is a swordsmith from Ecchu, originally named
Saikishi Fuoi Gun Gofuku Ju Kurosaburo, and a pupil of Soshu
Masamune. He was one of the “Masamune Juttetsu”.(top 10 pupils of Masamune)
==============================================
Appraisal Quiz #690 (May 7th, 2022)
Who made this sword do you think ?
==============================================
Blade length : 72.2cm or 28.42 inches.
Sori :0.7cm or 0.27 inches.
Mekugi : 1
Width at the hamachi : 3.02cm or 1.18 inches.
Width at the Kissaki : 2.24cm or 0.88 inches.
Kasane : 0.58cm or 0.22 inches.
Shape : The blade is wide and thick with suitaable sori
and longer kissaki nice looking shape.
Jigane :Koitame hada well grained with jinie attach.
Hamon :Niedeki gunomemidare with thick nioikuchi and soft Habuchi
The Hamon looks summer clouds like Thundercloud.
In Hamon, long Kinsuji work and sunagashi.
================================================
Answer will be posted at next Appraisal Quiz.
================================================
(Please acknowledge not replying to mail about Appraisal Quiz by our convenience.)