AS20473 Katana: Kaga Ju Ryosanshi Sumitani Seiho Saku Kore(Living National Treasure)

Description

Ordering number: AS20473
Katana in Shirasaya(NBTHK Tokubetsu Hozon Token)

Signature: Kaga Ju Ryosanshi Sumitani Seiho Saku Kore(Living National Treasure)
Showa Kanoe-Inu Nen 8 Gatsu Hi (August 1970)

(We divide 4 sections for each sword as Saijyo saku, Jyo-jyo saku Jyo saku and regular
saku) a human national treasure.
This sword belongs to saijyo saku ranking.
The blade was polished.
Habaki : Gold failed J single habaki.
Blade length :73.6 cm or 29.0 inches.
Sori : 2.6 cm or i1.024nches.
Mekugi : 1
Width at the hamachi: 3,37 cm or inches.
Width at the Kissaki: 2.6 cm or 1.024 inches.
Kasane : 0.81 cm or 0.319 inches.
The weight of the sword 945 grams.
Era : Gensai Showa 45, 1970.
Shape : Wide and thick Katana with deep Sori.
The blade is heavy. There are Futasuji-Hi on both side of the blade.
Jigane : Ko Itame Hada well grained with Jinie attach.
The Jigane is beautiful.
Hamon : Nie deki, Choji Midare with thick Nioikuchi. There are many Ashi. Boshi Midarekomi and small round shape.

Special feature: Sumitani Masamine, born Sumitani Yoichiro in 1921 was a swordsmith in
Ishikawa pref.
Major in mechanical engineering and graduated from Ritsumeikan university in Kyoto,
he entered the researce institute of Japanese sword on the campus
in 1941 and learned under Sakurai Masayuki,
the Second son of a famous swordsmith Sakurai Masatsugu.
After that he moved to Onomichi city in Hiroshima pref.
And learned forging and polishing sword at Kokoku Nihonto Tanren-Jo
with his sworn brother Yokota Masamitsu.
In postwar Japan, Masamine set up his own smithy named Sanryutei in 1956 and
studied Bizen-den.
He forged special swords to dedicate the Ise-jingu shrine.
He became a Mukansa-tosho and a judge of the annual sword-making competition held
by NBTHK in 1966.
In pursuit of Bizen-den, he completed especially choji-midare hamon called Sumitani-
Choji. He also studied old iron manufacturing in the Kamakura period and reproduced classical
texture of jitetsu.
He has made sword of Royal families such as Princess Mako and the Crown Princess
Masako.
Masamine was designated one of a preservers of Important Intangible Cultural Assets,
popularly known as Living National Treasures in 1981. He passed away in 1998.
Recently the price of high ranking modern sword makers including human national
treasure are becoming about 20% going up compare with a year ago.
This blade is polished by high ranking polisher and bright Hamon marvelous high quality
blade.

From Aoi Art: The preeminent Sumitani Choji Midare hamon gives a great impression to what you see with a deep Nioikuchi Hamon.

NBTHK Tokubetsu Hozon Token
Aoi Art estimation paper
whole Oshigata.


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Auction started
2021/12/25 (Sat) 13:35

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