AS21158-Katana: Takayanagi Kaga no Kami Fujiwara Sadahiro

Katana in　Koshirae.(Consignment Sale)

Signature :　Takayanagi Kaga no Kami Fujiwara Sadahiro
Gyonen 70 Yuyo Doushi
Shinto Maru Kunitsugu Motte Nanbantetsu Aitomoni Zo Kore.
高柳加賀守藤原貞広行年七十有余同子真刀丸国継以南蛮鉄相共造之
　
Fujishiro To-Ko Jiten:shinto. Ryu saku: Echizen.
(We divide 4 sections for each sword as Saijyo saku, Jyo-jyo saku Jyo saku and regular saku)
This sword belongs to Jyo Jyo Saku ranking.
The blade was polished.
Habaki :Blade length : 62.1 cm or24.45 inches.
Sori :4.8 cm or 1.89 inches.
Mekugi : 1
Width at the hamachi : 2.77 cm or 1.09 inches.
Width at the Kissaki : 1.96 cm or 0.772inches.
Kasane : 0.73 cm or 0.287 inches.
The weight of the sword 590 grams.
Era : Edo period Expo era.
Shape: Mihama and Kawane are regular shape and very unusual deep sori with regular Kissaki.
Jigane:Koitame hada well grained with Jinie attach
and visible to see the texture.
Hamon :Nie deki Choji Midare and Gunome Midare mixed with Sunagashi, Kinsuji work Bo-shi is içtimai style.

Special feature: Takayanagi Kaga no Kami Sadahiro was working at Echizen province and this sword was made by his son Shinto Maru Kunitsugu.
He used Nanban Tetsu in order to make a sword.

Koshirae :
Saya: On the leather Saya, painted Urusei and some design on the Saya.
Tsuba: Piled up leather and painted Urusei and silver rope style Fukugin.
Menuki: On the Shakuwa Natako plate, some designs engraved with gold color.

From Aoi Art: Aged Kaga Kami Fujiwara Sadahiro and his son are working together to make a sword.
The scene will come to mind. It was said that he worked very enthusiastically and worked hard on a sword with a very deep sori
It is possible. It is probable that it was a special order to make using Nanban Iron, which was effective at that time. He sharpened his sword and created to make a sword Koshirae.

Aoi Art estimation paper: whole Oshigata.