Ordering number : 15500
Katana in Shirasaya(NBTHK Tokubetsu Hozon paper)
Signature : Ansei 4 Nen 12 Gatsu Kichijitsu (December 1857)
Suishinshi Masatsugu Kao
(We divide 4 sections for each sword as Saijo saku, Jojo saku, Jo saku and regular saku)
This Katana belongs to Jojo ranking.
The blade was polished.
Blade length : 76.0 cm or 29.92 inches.
Sori : 1.2 cm or 0.47 inches.
Mekugi : 1
Width at the hamachi : 3.4cm or 1.34 inches.
Width at the Kissaki : 2.39 cm or 0.94 inches.
Kasane : 0.74 cm or 0.29 inches.
Era : Later Edo period.
Shape : Width of the blade is 3.4cm at Hamachi. Wide, thick and long blade with Bohi engraved on both sides.
Jitetsu : Koitame-hada well grained with Jinie attached. Beautiful Jigane.
Hamon : Nie-deki Gonome-midare with Nijyuba mixing. Ashi working well with a lot of Saryu and Kinsuji working in Jinchu.
Boshi is Midarekomi style turning round shape.
Special feature : Suishinshi Masatsugu is a student of Naotane and also a student of Suishinshi Masahide.
He married with dauter of Masahide the second genaration
and himself became the third genaration of Masahide and worked
as a sword smith in Edo through out his life.
His signature is very similar to Suishinshi Masatsugu.
He has made only countable numbers of pieces until March 1st,
of Banei 1st Year but it is observed that he was helping his mentor, Naotane with sword forging.
He studied from Suishinshi Masahide and also Naotane both the great masters.
This sword looks Naotane Soshu den style with active hamon with sunagashi and Kinsuji.
We can see Masatsugu’s wonderful technique effected by great masters Suishinshi Masahide and Naotane from this blade.
From Aoi Art:At a glance, the blade looks Naotane style.
The blade is healthy and wonderful jigane and Hamon Sosyuden style.
We recommend this sword for you.
NBTHK Tokubetsu Hozon paper
Aoi Art estimation paper : whole Oshigata.