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.

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Appraisal Quiz #554 (August 31st, 2019)
Who made this sword do you think ?
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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.

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