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刀:白鞘入り

銘:両山子正峯(人間国宝)
甲寅年二月日

鞘書:倣 備前福岡一文字 刃長二尺五寸二分八厘 於傘笠亭◯◯正峯識

当社では刀工の出来によって最上作、上々作、上作、普通作を記載しております
本作の出来は正峯としては最上作にランクされる作品です。
研磨済み
刃長:76.6センチ
反り:3.0センチ
目釘穴:1個
元幅:3.37センチ
先幅:2.51センチ
重ね:0.72センチ
時代:昭和(1974年)
体配:身幅広く、重ね厚く、反りの深い長寸の刀。
表裏に棒樋と添樋を彫る。
地鉄:板目肌実に良く練れて地沸が付き精良な地金となる。
刃紋:錵出来匂口の深い互の目乱れを焼き
刃中、砂流が掛かり帽子、先尖り返る。

特徴:隅谷正峯は1921年(大正10年)に石川県白山市で
生まれ昭和16年に立命館大学機械
工学科を卒業し刀匠の桜井正幸に入門し
独立して日本刀鍛錬所傘笠亭(さんりゅうてい)を開設
し数多くの刀剣を制作した。
昭和40年には新作刀展覧会で正宗賞を3度受賞し
1989年には伊勢神宮の御神宝太刀を制作した。
1981年(昭和56年)に人間国宝に認定された。
皇室関係の作刀も行い真子内親王、皇太子妃殿下雅子様に
隅谷刀匠に制作された守刀を天皇から授けられている。
惜しくも平成10年12月12日死去。77歳で亡くなる。

葵美術より一言:本作は福岡一文字写しの傑作で見事な丁字乱れ
が現れております。人間国宝の正峯の傑作刀です。

葵美術評価鑑定:全身押し形

Katana in Shirasaya

Signature : Ryosanshi Masamine (Living National Treasure)
Kinoe Tora Nen 2 Gatsu Hi (February 1974)

Sayagaki: The copy of Bizen Fukuoka Ichimonji
Blade length is 76.6cm.
Written by Masamine at the Sanryutei.

(We divide 4 sections for each sword as Saijyo saku, Jyojyo  saku
Jyo saku and regular saku)
This blade belongs to Saijyo saku ranking.

The blade was polished.
Blade length : 76.6 cm or 30.15 inches. 
Sori : 3.0 cm or 1.18 inches. 
Mekugi : 1
Width at the hamachi :3.37 cm or 1.32 inches. 
Width at the Kissaki : 2.51 cm or 0.98 inches.
Kasane : 0.72 cm or 0.28 inches.
Era : Showa period. 1974
Shape : Wide and thick Katana with large Sori.
There are Bo-Hi and Soe-Hi on both side of the blade.
Jitetsu :Itame Hada well grained with Jinie attach.
The Jigane is clear.
Hamon : Nie Deki, Gunome Midare with thick Nioikuchi.
In Ha, there are Sunagashi. Boshi is sharp end.
             
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 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 remind us Kamakura period Ichiminji.
The blade is wonderful shape ikubi kissaki Ichimonji srtle.
Jigane was made  his own tamahagane in his own factory.
Hamon is excellent gunome cyoji midare.
We recommend this human national treasure sword.
Gurantee signature.

From Aoi Art: This sword remind us Kamakura period Fukuooka Ichiminji.
The blade is wonderful shape ikubi kissaki Ichimonji style.
Jigane was made  his own tamahagane in his own factory.
Hamon is excellent gunome cyoji midare.
We recommend this Living national treasure sword for you.

Aoi Art estimation paper : whole Oshigata.