Ordering number: 20446
Katana in Shirasaya(31st NBTHK Juyo Paper)
Signature: (Aoi Mon) Yasutsugu Motte Nanbantetsu Oite Bushu
Edo Saku Kore
Sayagaki: written by Dr. Kanzan.
Yasutusgu the 4th generation.
JyoJyo Deki, Designated as an NBTHK Juyo.
Blade length is 2 shaku 3 sun 4 bu.
Showa Kinoe-Ne Nen Shimotsuki Oite Kugayama Bo (Nov 1984)
(We divide 4 sections for each sword as Saijyo saku, Jyo-jyo saku Jyo saku and regular
This sword belongs to the Saijyo saku ranking.
The blade was polished by the highest ranking polisher.
Habaki: Gold foiled single Habaki with the family crest.
Blade length : 71.0 cm or 27.95inches.
Sori : 1.8 cm or 0.71 inches.
Width at the hamachi: 3.14 cm or 1.24 inches.
Width at the Kissaki: 2.0 cm or 0.79 inches.
Kasane : 0.6cm or 0.24 inches.
The weight of the sword 700 grams.
Era : Edo period Expo era. 1673.
Shape: The blade is wide and thick with rather deep
and longer kissaki.
Jigane: Itame hada well grained with Jinie attach nice texture.
Hamon: Niedeki with deep nioikuchi and Hasaki looks tore Japanese old
the paper’s cutting place which looks like Sukehiro.
Bo-shi is a round shape with a deep nioikuchi Hakikake style.
Special feature:Edo 4th generation Yasursufgu was born asu 2nd
generation legitimate child named Ichinijyo.
His signature is very similar to 2nd generation’s signature.
From Aoi Art: This sword is Koitme hada well grained with Jinie attach
nice wide fat Suguha and Notare with deep nioikuchi.
This sword is excellent work as 4th generation.
According to the Kunzan sensei’s Sayagaki, the blade is Jyo Jyo Deki.
First of all, the shape is beautiful and nice Jigane and extremely nice Hamon.
While staying Edo, he contacted various swordsmiths and leaned a lot.
In the Edo period, when the world finally settled down and commerce developed, the
demand for swords was extremely reduced. It is an era when the fine swordsmiths
worked hard in search of good-looking and good-looking works. Yasutsugu also
searching to make high ranking swords.
It is a masterpiece, so it can be said that it is a recommended work.
31st NBTHK Juyo Paper
Aoi Art estimation paper