Very Old Koto Blade From Wakizashi In Shirasaya, Signed Norimitsu And Dated From 1465

Very old Koto blade from Wakizashi in Shirasaya in very good condition, Zaimei (Signed) "Bishu Osafune Norimitsu" 備 州長 船 則 光 and dated "Kansho 6" 寛 正 ６ 年 二月 日, ie February 1465. (15th century)



Type of certificate : Torokusho Certificate N ° 128594 - Date: Done on: 平 成 ２９ 年 ５ 月 ９ 日, that is: ９May 2017, bearing the dimensions: 47.1cm and 61cm in total length as well as the inscription of the name dated February 1465 - Issued by Osaka Prefecture. Details on the characteristics of the blade: Moto-haba: 2.8cm Saki-haba: 1.7cm Moto-gasane: 0.6cm Saki-gasane: 0.4cm.

Rating / Blacksmith Rating : Blade Rating: Mi-Koto : Wazamono - Cut Test Rating: Chujyosaku. Osafune blades are part of the Sue-Bizen family of blades, early Muromachi. Mi-Koto blade period, 古 刀.

Region of : Chugokutchiho or Chugoku region, central Japan, Okayama Prefecture. Date: 1465 Kansho Era (1460-1466) - Muromachi period

Blacksmith school : Bizen - Location: Chugokutchiho, or Chugoku region, central Japan, Okayama Prefecture. Norimitsu Kansho 6th generation, of his 1st name Saemon (1460-1466) Bizen. Due to the fact that there are blades signed and dated 1477 “Bunmei era” and bearing the mention “forged by Norimitsu at the age of 72 years”, there is a theory according to which the Norimitsu of the 5th and 6th generation would be the same blacksmith.

Characteristics

Total length of the blade : 61cm

Nagasa (Length of the cutting edge) : 47.1 cm

Weight : 438 grs

Steel type : Tamahagane

Sori : Height of the curvature: 1.4 cm - Type : Chuzori

Mekugi-ana : 1 Nakago type : Standard , Futsu-Gata - End type : Ha-agari-kuri-jiri - Original "UBU" (original without shortening) - Yasurime type : Kosuji-chigai

Mune type : Iori Mune

Sugata type : Shinogi Zukuri No-hi (without grooves)

Jihada type : Itame Hada

Hamon type : Hoso-Suguha (narrow)

Kissaki type : O-kissaki

Boshi type : Ko-maru

Habaki type : Niju Habaki (In 2 pieces), Mito Habaki (With lime lines all over its surface, gold plated

Defects : In very good condition, some scratches and traces of oxidation due to the age of the 1465 blade, ie over 550 years!