AS21136-Tanto: Tadakuni

Tanto in Shirasaya with Koshirae.(NBTHK Hozon Token)
Signature:　Tadakuni (Shinano Daijyo) 4th generation
忠国信濃大掾

(We divide 4 sections for each sword as Saijyo saku, Jyo-jyo saku Jyo saku and regular saku)
This sword belongs to Jyo Jyo Saku ranking.
The blade was polished.
Habaki :　silver single habaki.
Blade length : 18.0 cm or 7.087 inches.
Sori :0.1cm or 0.039 inches.
Mekugi : 1
Width at the hamachi : 1.95 cm or 0.77 inches.
Width at the Kissaki : 0,1 cm or 0.039 inches.
Kasane : 0.8 cm or 0.315 inches.
The weight of the sword 135 grams.
Era : Edo period Kanei era.
Shape: The blade is rather short and thick Hyobu Kukuri style unusual shape.
Jigane: Koitame hada well grained Hiji style nice clear Jigane.
Hamon :Konie deki suguha , double hamon sunagashi , kinsuji work. Boshi is round shape Yakisage style.

Special feature: The founder of the Shinano Daijyo Tadakuni was around Kanei and continued until the fourth generation. It is a work of the 4th generation that is cut with 2 character signatures, and the country of the inscription 」is different from Other Tadakuni.

Koshirae :
Saya :black roiro saya.
Menuki: Ume tree and Matsu tree are engraved with gold color
Kozuka: On the shakudo Nanako plate, a turtle, waterfall rock, and also river’s stream is engraved with gold color. signature: Hirotoshi.
Kogatana: with signature.

From Aoi Art: When the war era of the Muromachi period finished, most of please stopped making Tanto because there is no demand. Tanto which was made around the early to middle of Edo period is very rare, and this Tanto’s shape is also rare. We strongly recommend this rare sword.

NBTHK Hozon Token
Aoi Art estimation paper
whole Oshigata.