Ordering number : 19096
Katana in Shirasaya with Koshirae.(NBTHK Tokubetsu Hozon Paper)
Signature : (Aoi Mon) Yasutsugu Nanbantetsu(Edo 3rd generation)
Oite Bushu Edo Saku Kore
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Jyojyo sakuranking.
The blade is polished.
Habaki :single silver Habaki.
Blade length : 62 cm or 24.4 inches.
Sori :0.8 cm or 0.315inches.
Width at the hamachi :3.06 cm or 1.2 inches.
Width at the Kissaki : 2.18cm or 0.86 inches.
Kasane : 0.7cm or 0.276 inches.
Era : Edo period Kanbun era.
Shape : The blade is smaller length,
wide and thick, small sori and longer kissaki.
Jigane :Koitame hada well grained with jinie attach.
Hamon :Konie deki suguha with small ashi and nezumi ashi scatter.
Boshi is round shape.
Special feature:ccording to the inscription on the tang,
Yasutsugu forged this wakizashi using Namban-tetsu at Edo.
Namban-tetsu was a very precious imported iron in ancient Japan.
Yasutsugu was a distinguished swordsmith family.
The First Shogun Tokugawa Ieyasu
permitted Yasutsugu the First using hollyhock crest
and the character Yasu.
The NBTHK judged this wakizashi by the Third who
was a grandson of Yasutsugu the First, descended in a direct line.
After the Third generation, the clan devided into two
lines; one prospered at Edo and the other prospered
in Echizen province. Both clans continued for generations until the last Edo period.
Saya : Black Roriro Saya.
Tsuba : Round shape iron Tsuba, Ebisu god and fish are engtraved with gold and copper color.
Menuki : Cows are engraved with gold color.
Fuchikashira: Shakudo, wave and wheel are painted with gold and silver color.
From Aoi Art. This sword is 3rd generation Edo 3dai Yasutsugu departed
from Echizen Yasutsugu family.Edo 3 dai is high
reputation and continued to 11th generation.
The reason is that in Edo city, there are many sword makers
including other district sword makers worked at Edo and tried to
do the best for their energy and tried to make high quality swords.
So Edo 3rd generation Yasutsugu achieved high reputation and
continued to 11th generation.
NBTHK Tokubetsu Hozon Paper
Aoi Art estimation paper : whole Oshigata.