Katana: Gassan

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

Signature : Gassan

The blade was polished
Blade length : 68.93 cm or 27.13 inches.
Sori : 1.95 cm or 0.76 inches.
Mekugi : 2
Width at the hamachi : 2.99 cm or 1.17 inches.
Width at the Kissaki : 1.84 cm or 0.72 inches.
Kasane : 0.73 cm or 0.28 inches.
Era : Middle Muromachi Period
Shape : It is wide and thick long size katana.
It has deep curve.
Jitetsu : Ayasugi hada well grained with jinie attached. The ayasugi hada is well seen.
Hamon : Nie plate suguha

Special feature : Gassan was successful in Oushu( Mutsunokoku) however,
from the late Muromachi period the family line failed. On later Edo period,
the revival of ayasugi-hada was done by Gassan Sayoshi and Gassan Sadakazu.
The Gassan school that was active before early Edo peirod is called Ko-gassan.
This piece is quite old Ko-Gassan. The Ayasugi jigane is well grained with jinie attache.
The Hamon is typical suguha and the jigane is smooth as water surface.
Ko-Gassan’s characteristic is well seen and it is finely made work.

Koshirae :
Tsuba : Round shape iron Tsuba, vine is engraved with gold color.
Fuchikashira :Nanako Ume flower is engraved with gold color.
Saya : Black Saya with bird and peony gold Makie.
Menuki : Shakudo, Ume flower is engraved with gold color.

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

Price : JPY 1,800,000-.

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