Previous answer is
Tsuda Echizen Kami Sukehiro/Tenna 1 nen 10 gatsu hi (February 1681)

Special feature : Special feature : Tsuda Echizen no Kami Sukehiro was born at knei 14th(1637)Settsu province and became a adopt child first
generation Tsuda Echizen Kami Sukehiro after the fist generation passed away, he succeeded 2nd generation.And he moved to Osaka.He was allowed to engrave the signature “Echizen no kami” in 1657.
And he started to serve Aoyama Munetoshi who was lord of Osaka castle.
Sukehiro was the most skillful swordsmith in Osaka Shinto, as well as Inoue Shinkai.
Sukehiro and Inoue Shinkai made some swords together.
It is said that Sukehiro made over than 1700 swords.
But many Gimei of Sukehiro and Inoue Shinkai and Kotetsu are made by others. Because their blades are very popular.
Sukehiro passed away in 1682, when he was 46 years old.

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Appraisal Quiz #278 (February 14th, 2014)
Who made this sword do you think ?
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Hints. ※The picture will be enlarged

Blade length : 71.5 cm or 28.14 inches.
Sori : 1.53 cm or 0.60 inches.
Mekugi : 1
Width at the hamachi : 3.18 cm or 1.25 inches.
Width at the Kissaki : 2.17 cm or 0.85 inches.
Kasane : 0.77 cm or 0.30 inches.
Shape : Wide and thick blade with Sori. Kissaki is long.
Jitetsu : Ko-Itame Hada and Masame mix with Jinie attach.
There are Chikei. This is blackish Jigane.
Hamon : Nie deki, Gunome Midare with deep Nioikuchi.
There are Ko-Ashi, Sunagashi, Kinsuji.

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