Ordering number:24841

Tachi: Katana in Shirasaya (NBTHK Tokubetsu Hozon Token)

Signature: Sumitani Masamine Saku (Designated Living National Treasure)
Made in early spring of Showa 44 (1969) by request of Nakamura Toshizo
隅谷正峯作(人間国宝)
昭和四十四年早春応中村利蔵需

We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku.
This work is ranked as Saijyo Saku among the works of Sumitani Masamine.
Habaki: Gold Foil Single Habaki
Blade Length: 71.2 cm (28.03 in)
Curvature: 2.5 cm (0.98 in)
Mekugi Hole: 1
Width at Base (Motohaba): 3.44 cm (1.35 in)
Width at Tip (Sakihaba): 2.34 cm (0.92 in)
Thickness of Rim (Kasane): 0.73 cm (0.29 in)
Sword Weight: 915 grams
Era: Modern
Shape: Wide body, thick kasane, deep curvature, and extended kissaki.
Jigane: Ko-itame-hada, well-forged and fine textured steel.
Hamon: Deep nioiguchi with well-formed ashi, excellent shape and a beautiful hamon.
Boshi: Midare-komi (irregular return).

Features:This is a superb Tachi crafted by Sumitani Masamine, a Living National Treasure.
It features a dignified and deep curvature with an extended kissaki and excellent shape.
The blade displays vibrant activity such as sunagashi and kinsuji.

Sumitani Masamine, born Sumitani Yoichiro, graduated from the Department of Mechanical Engineering at Ritsumeikan University in 1941.
He then apprenticed under swordsmith Sakurai Masayuki.
He established the Nihonto Tanrensho “Sanryutei” in the city of Matsuto, producing many works.
In the 1960s, he won the highest award for newly-made swords, the Masamune Prize, three times.
On April 20, 1981, he was designated a Living National Treasure.
That same year, he was also recognized as a holder of Important Intangible Cultural Property for "Japanese Swords."
He researched steel production, developed his own smelting process, and perfected a unique choji-midare called “Sumitani Choji.”
He also crafted swords for the Imperial Family, including a mamori-gatana (protective sword) presented to the Emperor.
He passed away on December 12, 1998, at the age of 77.

NBTHK Tokubetsu Hozon Token
Aoi Art estimation paper with whole Oshigata

Price:2,500,000JPY

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