Previous answer is
　 Mumei attributed as Omiya school 　

Special feature:It is a commonly accepted view that Kunimori or his son who moved
from Omiya in Kyoto in the last Kamakura period was the founder of this school.
Almost of all survived swords of this school were limited to Morikage, Morokage and Morishige on
and after the Nambokucho period.
Generally the temperline of this school is Notare influenced
by the Soshu school or O-miadre. Sometimes there is nie
on the jitetsu but utruri is nowhere to be found.
Chogi and his clan tend toward this style.

==============================================
Appraisal Quiz #596 (July 4th, 2020)
Who made this sword do you think ?
==============================================

Blade length :　69.4　cm or 27.32 inches.
Sori : 1.3 cm or 0.51 inches.
Mekugi : 　3
Width at the hamachi : 2.66 cm or 1.04 inches.
Width at the Kissaki : 1.87 cm or 0.73 inches.
Kasane : 0.61 cm or 0.24 inches.
The weight of the sword: 635 grams.
Shape : Regular width and thickness Katana.
Jigane : Itame Hada well grained with Jinie attach. There are Chikei and Utsuri.
The Jigane is blackish. visible to see the texture. There are Masame Hada.
Hamon : Nie Deki, Choji Midare and Gunome Midare.
In the Ha, there are Sunagashi and fine Kinsuji.
Boshi is Midarekomi and Yakizume style.

Hints. ※The picture will be enlarged

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

Answer will be posted at next Appraisal Quiz.

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

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