Ordering number : 20556
Katana in Shirasaya with Koshirae.(NBTHK Tokubetsu Hozon Token)(Consignment Sale)
Signature : Awataguchi Oumi Kami Tadatsuna (2nd generation)
Fujuishiro To-Ko jiten:Shinto:Jyo Jyo Saku:Ryo wazamono:Settsu.
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Saijyo saku ranking.
The blade was polished by high ranking polisher.
Habaki : Gold failed double habaki.
Blade length : 73.0 cm or 28.74 inches.
Sori : 1.0 cm or 0.39 inches.
Mekugi : 1
Width at the hamachi :3.27 cm or 1.28 inches.
Width at the Kissaki : 2.27 cm or 0.89 inches.
Kasane : 0.76 cm or 0.29 inches.
The weight of the sword 825 grams.
Era : Edo period around Tenna era.
Shape : Wide 3.27cm, thick, and long solid Katana.
Jigane : Ko Itame hada well grained with Jinie attach.
The Jigane is beautiful.
Hamon :From Hamachi is Suguha and then Choji Midare.
The Ashi is long. There are many Sunagashi. Boshi is round shape.
Special feature: 2nd generation Tadatsuna is also known as Ikkanshi.
He was a son of Oumi Kami Tadatsuna the 1st generation.
He succeeded to the 2nd generation and Manndayu.
Normally the blade has Yakidashi, Choji Midare Hamon and Doranba.
He was a good at engraving. It is said that he studied under Fujita Tsu-i.
Saya : Black Roiro Saya.
Tsuba : Mokko shaoe iron Tsuba, dragonfly is engraved.
Menuki : Shakudo, large size fan is engraved with gold color.
Fuchikashira: Shakudo, mantis and plants are engraved with gold color.
From Aoi Art: From the signature, the blade was made around Edo Tennna era.
After the Genroku, 綱 the Tsuna Kanji character will change.
This blade is long enough, the width and thickness are also nice.
The signature is also well engraved.
The Jigane well grained Osaka Jigane with Jinie attach.
There are fine Chikei. The Hamon is Choji Midare with long Ashi
that he is a good at. He made a unique Hamon.
Koshirae is also nice. It was drawn a pretty stylish figure.
Background of the era: After the Edo period Kanbun,
peaceful tradesman culture flourished and wars and wars disappearedAs a result,
the number of samurai seeking swords has dropped sharply, and sword production has decreased.
Swrodsmiths made gorgerous Hamon to survive. And they made swords
with a engraving on the blade.They worked hard with ingenuity.
It can be said that it was an era when many masterpieces were produced.
Ikkanshi Tadatsuna raised many sword lovers with his stunning engraving.
It is thought that he made swords that would be appreciated rather than a fighting weapon.
NBTHK Tokubetsu Hozon Token
Aoi Art estimation paper: whole Oshigata.