Katana in Shirasaya, with Koshirae.(47th NBTHK Juyo Paper)
Signature : Mumei(Den Ryumon Nobuyoshi)
Koto: Jyojyosaku: Yamato
Top quality polish
Habaki : Silver single Habaki.
Blade length : 70.4 cm or 27.71 inches.
Sori : 2.2 cm or 0.86 inches.
Mekugi : 1
Width at the hamachi : 2.85 cm or 1.12 inches.
Width at the Kissaki : 1.85 cm or 0.72 inches.
Kasane : 0.665 cm or 0.26 inches.
Era : Kamakura period around Einin era(1293-1298).
Shape : Regular size, Osuriage Mumei katana with deep Sori.
Jitetsu : Ko-Itame Hada well grained with Jinie attach. There are Utsuri.
Hamon : Suguha style bright Ko-Ashi attached. Boshi is round Hakikake style.
Special feature : Ryumon Nobuyoshi is a sword smith of Yamato school and has
descended the skill of Yamato Senjyuin.
The Yamato style katana hasjvery fine jigane of Kamakura period and the jigane
of is strikingly good as the Tegai Sukenaga. At a glance, this katana is extremely similar to that
of Tegai Sukenaga and the Utsuri is excellent work.
It is fine work with no Kizu or flaw. We recommend this wonderful work.
Tsuba : Round shape shakudo nanakoji with dragon design carved in high relief
and Inlaid in gold.
Fuchikashira :Shakudo nanakoji plate with dragon design in
Saya : Black Roiro saya
Menuki : Shakudo plate with dragon design engraved and inlaid with gold.
47th NBTHK Juyo Paper
Aoi Art estimation paper : whole Oshigata.