Ordering number: 20335
Katana in Shirasaya with Koshirae(NBTHK Hozon Paper)
Signature: Mumei(unsigned) attributed as Osahune Yoshimitsu
Fujishiro book: Jyo saku ranking:Bizen
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Jyo Jyo saku ranking.
The blade was polished by good polisher.
Habaki: gloss wrapped single habaki.
Blade length: 69.2 cm or 27.24 inches.
Sori :1.8cm or 0.70 inches.
Width at the hamachi: 2.86 cm or 1.12 inches.
Width at the Kissaki: 1.90cm or 0.74 inches.
Kasane : 0.6cm or 0.23 inches.
Weight of the blade: 530 grams
Era : Early Muromachi period.
Shape : The blade is oo suruage mummy (unsigned) regular
width thickness with deep sori and longer kissaki
and also engraved Bo-hi on
both sides of the blade.
Jigane: Koitame had extremely beautiful skin with a lot of Utsuri appear.
Hamon: Konie deck rather deep nioikuchi choji midare and gunome midare mixed with ashi and small sunagashi, kinsuji work.
Special feature:Depend on the book, he started to make swords
at Late Nanbokucyo to early Muromachi period
and most of the blades were Kansyo or Bunmei era.
Generally Bizen school in Muromachi period made 3 section of swords,
Zokumyo style, which is the most nice quality blade, regular sword,
and mass productive items. But Yoshimitsu(長船賀光) is different
and he didn’t make Zokumyo style sword.
Even though the regular signature, we can find high ranking swords.
Saya: Kawari Nuri Saya.
Tsuba: Round shape iron Tsuba, Samurai are engraved with gold and copper color. The rim is covered with gold. Mogarashi Soten Saku.
Menuki: flower basket is engraved with gold color.
Fuchikashira: Shakudo, Manji and family crest are engraved with gold color.
From Aoi Art :The hamon in Kissaki area, midarekomi style like
Ouei bizen Morimitsu. We strongly recommend this nice sword for you.
Especially Kinsuji in Hamon, are quite nice.
The sword is good condition without Kizu and flow.
AOI ART estimation Paper
NBTHK Hozon Token.