Previous answer is
Rai Kuniharu (Owari, Shotoku)
Special feature: Rai Kuniharu is Owari sword smith and also work at Edo.
He is not so famous but he is one of Rai sword smith. He is
from Mino but moved to Edo and was became a student of
Korekazu and study to make Ichimonji-Utsushi from him.
The Hamon of this sword is looks like Nishioki Kohei.
Unfortunately, it does not has Utsuri but we strongly
recommend you the master price of Rai Kuniharu.
Appraisal Quiz #616 (November 21st 2020)
Who made this sword do you think ?
Blade length : 71.0 cm or 27.95inches.
Sori : 1.8 cm or 0.71 inches.
Mekugi : 1
Width at the hamachi : 3.14 cm or 1.24 inches.
Width at the Kissaki : 2.0 cm or 0.79 inches.
Kasane : 0.6cm or 0.24 inches.
The weight of the sword 700 grams.
Shape : The blade is wide and thick with rather deep
and longer kissaki.
Jigane :Itame hada well grained with jinie attach nice texture.
Hamon :Niedeki with deep nioikuchi and hasaki looks tore Japanese old
paper’s cutting place.
Bo-shi is round shape with deep nioikuchi hakikake style.
Answer will be posted at next Appraisal Quiz.