Katana: Mumei Insyu Kanenaga
Katana in Shirasaya. (consignment sale)
Signature: Mumei (unsigned) attributed as Insyu Kanenaga.
Mid Koto : Jyo saku ranking : Inaba.
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Jyo saku ranking.
The blade was polished.
Habaki : Gold foiled double Habaki.
Blade length : 71.4 cm or 28.1 inches.
Sori :2.0 cm or 0.79 inches.
Mekugi : 1
Width at the hamachi :2.86 cm or 1.1 inches.
Width at the Kissaki : 2.15 cm or 0.85 inches.
Kasane : 0.68cm or 0.27 inches.
Era : Late Nanbokucyo period.
Shape : The blade is cut shortened Suriage Mumei style.
Jigane : Koitame Hada and Mokume-hada mixed with Jinie attach some Oohada appear.
Hamon : Koniedeki Suguha with small Ashi and Yo work. Boshi is Hakikake style.
Hamon is bright and some part is lose Hada.
Shinogi-ji Jigane: Itame-hada Masanagare.
Special feature: I think Insyu Kanenaga looks the stream of the Rai school.
Jigane is Koitame-hada well grained with small Utsuri appear which looks like Rai school.
There are some trace of battle Kirikomi Kizu.
I think the blade has changed to Nagamaki style to make it more light.
Blade is slightly tired but the blade itself is very nice and attractive Koto blade.
Aoi Art estimation paper : whole Oshigata.