Previous answer is
Mutsu Daijo Miyoshi Nagamichi Toshiro/Kanbun 10 Inu-Kanoe Nen 8 gatsu hi
Special feature:iyoshi Nagamichi, born Miyoshi Toshiro lived at Matsuyama in Iyo province is a grondson of Nagakuni. Nagakuni was a retained swordsmith of Kato Yoshiaki. Nagakuni and his son Masanaga, the father of Nagamichi went along with the Kato family when they moved to Aizu in O-shu province in 1627. Nagamichi was born in 1633 who was called Michinaga in his youth. Accepting Mutsu-Daijo in 1659, he changed the name to Nagamichi. Mr. Asaemon Yamada, known as a famous cutting tester ranked Nagamitsu Saijo-Owaza-mono in his book as one of twelve excellent swordsmiths at the point of sharpness. Quite a few swords forged by Nagamichi survive with the result of cutting test.
Nagamichi the First passed away in 1685, aged 53. The workmanship of this katana shows
a strong resemblance to Kotetsu who is a representative swordsmith of Edo-shinto.
This blade’s Nioikuchi is thight. The Jigane feels strong.
It is rare that there are engraving of “Toshiro” and “Kanbun 10 Inu-Kanoe Nen 8 gatsu hi”.
He made this blade at age of 40.
Appraisal Quiz #451 (August 12th, 2017)
Who made this sword do you think ?
Hints. ※The picture will be enlarged
Blade length : 68.2 cm or 26.9 inches.
Sori : 1.5 cm or 0.59 inches.
Mekugi : 1
Width at the hamachi : 2.98 cm or 1.17 inches.
Width at the Kissaki : 2.78 cm or 1.09 inches.
Kasane : 0.88 cm or 0.34 inches.
Shape : Wide Nagamaki Suriage Katana with Okkissaki.
Jigane : Itame Hada and Mokume Hada with Oitame.
The blackish Jigane.
Hamon : Ko-Nie Deki, Ko-Gunome Midare with Ashi and Yo.
In Ha, there are Sunagashi and Kinsuji.
Boshi is Midarekomi style with Ashi. There are also Sunagashi and Kinsuji.
Answer will be posted at next Appraisal Quiz.
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