"Magnificent Blade Of Wakizashi Koto-muromachi Nbthk, Sanjo Yoshinori, Mumei, In Shirasaya"
MAGNIFICENT BLADE OF WAKIZASHI SUE KOTO NBTHK in Shirasaya, dating from the Bunmei Era (1469-1487) Middle Muromachi - Mumei (unsigned), authenticated by the NTHK and attributed to the blacksmith "Sanjo Yoshinori" 三条 吉 則.
Blacksmith's name : Sanjo Yoshinori. (active during Bunmei Era (1469-1487) Middle Muromachi)
Location : Yamashiro Sanjo (Kyoto). Then regions of Izumi and Echizen, in order to flee the following revolts in Onin no ran, like many blacksmiths in the Yamashiro region at that time.
Blade classification : Jo saku and Ryo wazamono
Signature (without) : Mumei
Certificates : NBTHK - Type: Nintei Sho, Kiju certificate (Declared work of importance) - N °: 324442 - Date: April 17, 1976. Registration certificate (mandatory) No : 54003, issued by Kanagawa Prefecture, Japan.
Forge school : Heianjo - Location: Yamashiro Sanjo (Kyoto) Period: Bunmei era in Eisho (1471 to 1507 we have been able to verify productions for 36 years, Middle Muromachi)
Characteristics :
Blade type : Unokubi Zukuri.
Bo-hi (with groove) : 1 Koshi-hi (beautiful partial groove, on each side of the blade and of the same length)
Weight : 311.5grs
Nagasa : 54cm
Kissaki type : Very beautiful and very large O-kissaki, a Sakikaeri with a strong Shobu-zukuri, are characteristics of this blacksmith and his time. Mune type : Iori Mune
Nakago type : Standard, Futsu-Gata Nakago-saki (end of the Nakago) type: Ha-agari-kuri-jiri (Original UBU) and Yasurime: Suji-chigai
Mekugi-ana : 2 Sori type: Koshizori 1.5cm
Hamon type : Superb Gunome-midare large and tormented and comprising Choji
Boshi type : Kaen
Jihada type : Masame-hada mixed with Mokume-hada
Very good polishing (Very recent polishing, Japan )
Habaki : In 1 single piece, silver plated
Steel type : Tamahagane
Defects of the blade : In excellent condition, (exceptional condition) presence of some scratches due to the very old age of the blade.
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