Previous answer is
Oumi Kami Takagi Ju Sukenao/Enpo 2 Nen 8 Gatsuhi
Special feature: Sukenao is sword smith from Oumikami Takagi and people
call him Magodayu. He is student of Echizen Kami Sukehiro
and also married his little sister. His last sword was made
around 1693. After his master Sukehiro dead, he moved to Osaka.
Appraisal Quiz #623 (January 16th 2020)
Who made this sword do you think ?
Blade length : 71.2 cm or 28.03 inches.
Sori : 1.6 cm or 0.62 inches.
Mekugi : 1
Width at the hamachi : 2.83 cm or 1.11 inches.
Width at the Kissaki : 1.75 cm or 0.68 inches.
Kasane : 0.68 cm or 0.26 inches.
Shape : The blade is regular width and thickness with nice sori and longer Kissaki.
Jigane :Itame-hada well grained with Jinie attach.
Hadame looks like Norisige can be seen well.
Hamon :Nie Deki, Suguha and Notare Ha with Ko-Ashi.
There are double Ha and Uchinoke. In ha, Sunagashi and Kinsuji.
Boshi is midarekomi.
Answer will be posted at next Appraisal Quiz.
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