Ordering Number：AS26113

Katana in Shirasaya, with Koshirae (NBTHK Tokubetsu Hozon Token)

Signature:
Chounsai Saku Kore 長運斎作之(Tsunatoshi 綱俊)
Kouka 3 nen 8 gatsu kichijitsu (March,1846)
弘化三年八月吉日

(We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku).
This work is ranked as Jyojyo Saku for Chounsai Tsunatoshi.

Habaki: Single-layer silver habaki.
Blade Length: 71.2cm (28.03in)
Curvature: 2.0cm (0.79in)
Mekugi-ana: 1
Motohaba: 3.05cm (1.20in)
Sakihaba: 1.89cm (0.74in)
Kasane: 0.71cm (0.28in)
Weight: 605g
Era: the end of Edo period, 1846

Shape: The blade is slightly wide, with standard thickness, a deep curvature, and a noticeable difference between the width at the base and the tip.
Jigane: fine and packed Ko-itame looking plain surface.
Hamon: Nioi-based, with gunome-chōji in which ashi are active, and in the upper section frequent sunagashi appears. Hamon is clear and bright.

Features:
Shinshinto: Jyo Saku: Musashi.
Chō'unsai Tsunatoshi was a swordsmith of the late Edo period and a disciple of Suishinshi Masahide. He worked as a domain smith for the Uesugi clan, lords of the Yamagata domain, and forged swords at the Uesugi residence in Edo.Working mainly in the Bizen tradition, he established a major school and　notable swordsmiths such as Ishidō Korekazu and Koyama Munetsugu were among his disciples. In 1856, he passed the name Cho'unsai Tsunatoshi to his son, and changed his own name to Chōjusai(長寿斉,"長寿 "means longevity).

Koshirae:
Tsuba: an iron tsuba of unusual shape with prominently raised rim.
Fuchikashira: phoenix design
Saya (Scabbard): Black lacquered saya
Menuki: design of a flower cart.

NBTHK Tokubetsu Hozon Certificate
AoiArt estimation paper: Whole Oshigata

Please note: the price does not include the shipping fees.

Auction Starting Price:1,500,000JPY

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