Japanese Sword Online Museum

Aoi Art's archives, Every item is no longer available.


Katana: Nagasone Okimasa

Ordering number : 13697 (Consignment Sale)

Katana in Shirasaya(NBTHK Tokubetsu Hozon Paper)

Signature : Nagasone Okimasa

Sayagaki of Kanzan sensei: Nagasone Okimasa Enpo 4nenn goro saku nari
Ryukokuji ke denrai Houtou no HItotsu Hachou Nishaku Sansun Sanbu Aruno

Sayagaki translation: (This) Nagasone Okimasa was made at Enpo 4th year(1676)
It is derived from Ryukokuji family(one of the daimyo family at the Sengoku era) as one of their treasured sword. The length is Nishaku Sansun Sanbu(70.4cm).

The blade was polished.
Blade length : 70.4cm or 27.71inches.
Sori : 1.6cm or 0.63inches.
Mekugi : 1
Width at the hamachi : 3.07cm or 1.2inches.
Width at the Kissaki : 1.97cm or 0.78inches.
Kasane : 0.68cm or 0.26 inches.
Era : Edo period Kanbun.
Shape : It is rather wide and thick long kissaki sword.
Jitetsu :Koitame hada well grained with mixture of ohada(jinie) attached.
Hamon : Nie ground deep nioiguchi , jyuzu style gunome midare line.
There are sunanagashi, kinsuji actively put.
Boushi turns back in nijyuba style.

Special feature :Nagasone Okimasa was generally called Atsubee who
was a student of Kotetsu and become adopted later on.
Nagasone Okimasa is oftenly called 2nd generation Kotetsu.
He became adopted son of the Kotetsu and have continued
forging swords while being an assistant of Okinao and Okihisa.
So he was called secound son of Kotetsu who was a
top ranking swordsmith in Shinto era.
He is one of the well-known sword smith as he has been ranked as jyojyo saku
and saijyo o-wazamono. This sword has nice jigane ,
clear hamon that reminds us of Kotetsu.
It is regretted that there are some rough parts at the shindig line.
This sword is, however, a master piece.

NBTHK Tokubetsu Hozon Paper
Aoi Art estimation paper : whole Oshigata.

Price (credit card) : JPY 2,750,000-.
Price (bank transfer) : JPY 2,700,000-. (Would you please pay bank transfer fee.)
(including shipping and 100% insurance fee)