Ordering number: 22082
Katana in Shirasaya(NBTHK Tokubetsu Hozon Token)(NBTHK Tokubetsu Kicho Token)
Signature : Keio 3 Nen U 8 Gatsu Ou Kurimoto Mamoru Ju Saijo Omi Yano Chounsai Toshikazu Motte Shinsei Tetsu Saku
Oite Senju Tamesu Kore Ryosha Dodanbarai Yamada Genzo
(Explanation: Saijo Omi Yano Chounsai Toshikazu has made this sword
with elaborately made iron for the demand of Kurimoto Mamoru in August,
Keio 3./Yamada Genzo has done a cutting test with form “Sharyo” and “Dodanbarai” way.)
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Jyo jyo saku ranking.
The blade was polished.
Habaki: Copper single Habaki
Blade length:70.90cm or 27.9inches.
Sori:1.21cm or 0.47inches.
Width at the hamachi:3.38cm or 1.33inches.
Width at the Kissaki:2.41cm or 0.94inches.
Kasane:0.79cm or 0.31inches.
Era: The late Edo period
Shape: The blade is broad and thick with slightly shallow Sori and longer Kissaki. Well-shaped.
Jigane: Koitamehada is grained well with Jinie. Beautiful plain surface.
Shinogiji: Masamehada becomes fine and flows.
Hamon: Niedeki Suguha with lots of Koashi.
Special feature: Toshikazu is a swordsmith from Musashi and a son of
Unjusai Korekazu. Later he became a pupil of Chounsai Tsunatoshi. He
made s lot of O-Kissaki works and he made his works mostly in
Yotsuya. His works tend to be sturdy and powerful-looking.
From Aoi Art: We can imagine how this sword was made and brought to us
by reading Tamemei on the front and Saidanmei on the back.
The end of the Shirasaya is slightly misaligned.
NBTHK Tokubetsu Hozon Token
NBTHK Tokubetsu Kicho Token
Aoi Art estimation paper : whole Oshigata by Ayaka Tsuruta