Previous answer is
Tanba Kami Yoshimichi(Fushimi Tanba)
Special feature : The Mishina School in Kyoto hatched four schools; Kyo Tamba (No) Kami,
Fushimi Tamba (No) Kami, Osaka Tamba (No) Kami and Yamato (No) Kami.
NBTHK judged this sun-nobi tanto as Fushimi Tamba.
The signature is vary similar to the Kyo Tamba (No) Kami the First’s.
==============================================
Appraisal Quiz #554 (August 31st, 2019)
Who made this sword do you think ?
==============================================
Blade length : 71.52 cm or 28.15 inches.
Sori : 1.82 cm or 0.71 inches.
Mekugi : 1
Width at the hamachi : 3.22 cm or 1.26 inches.
Width at the Kissaki : 2.33 cm or 0.91 inches.
Kasane : 0.68 cm or 0.26 inches.
Shape : Wide and thick Katana with long Kissaki. Nice shape.
Jigane : Ko Itame Hada well grained with Jinie attach and Chikei. The Jigane is blackish.
Shinogi-Ji: The mixture of Ko Itame Hada and Mokume Hada with Chikei and Masa.
Hamon : Gunome Midare with thick Nioikuchi and Togari Gunome.
In Ha, there are Sunagashi and Kinsuji.
Boshi is Notare Hakikake 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.)