Japanese Sword Online Museum

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Katana Masterpiece

Katana : Sanryu Masamine


Katana in Shirasaya.
Signature : Sanryu Masamine Saku (holder of Important Intangible Cultural Property )
Kinoto Ushi Nen 2 gatsuhi. (1985,Feb)
(We divide 4 sections for each sword as Saijo saku, Jojo saku Jo saku and regular saku)
This sword belongs to Saijyo saku(top ranking) ranking.

The blade is polished by highest polisher.
Habaki : Gold foiled double habaki.
Blade length : 74 cm or 29.1 inches.
Sori : 2.7cm or 1.06inches.
Mekugi : 1
Width at the Hamachi :3.27 cm or 1.29 inches.
Width at the Kissaki :2.46cm or 0.97 inches.
Kasane : 0.8 cm or 0.315 inches.
Era : 1985
Shape : The blade is wide and thick with deep soro and longer kissaki.
On both sides of the blade engraved Bo-Hi.
The sword is marvelous gorgeous shape.
Jigane : Koitame hada well grained with jinie attach nice texture.
Hamon : Konie deki Cyoji midare and sakasa Cyoji mixed with deep nioikuchi. In Hamon, sunagashi and kinsuji work.
Special feature:Sumitani Masamine, born Syoto city Ishikawa prefecture in 1921.
He was swordsmith in Ishikawa prefecture. Major in mechanical engineering and graduated from Ritsumeikan university in Kyoto, he entered the resarce 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 the 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 in 1964, 1966, 1969 and 1989.
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 Kamakura period and reproduced classical texture of jitetsu.
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.
This sword is wide and thick with deep sori and longer kissaki nice gorgeous shape.
Jigane is quite well and active Cyoji midare hamon remind us old Kamakura Fukuoka Ichimonji. We strongly recommend this sword for you.

Sumitani Masamine
Aoi Art estimation paper : whole Oshigata.

Price : JPY ¥2,300,000-.

-Katana, Masterpiece