Ordering number: 22627
Katana in Shirasaya with Koshirae.(NBTHK Hozon Token)
Signature: Mumei (attributed as Uda Tomotsugu)
(We divide 4 sections for each sword as Saijyo saku, Jyo-jyo saku, Jyo saku, and regular
This sword belongs to Jyo Jyo saku ranking.
The blade was polished.
Habaki: Gold foiled double habaki.
Blade length:72.7cm or 28.62 inches.
Sori:2.6 cm or 1.02 inches.
Width at the hamachi:3.01cm or 1.18 inches.
Width at the Kissaki: 2.01cm or 0.79 inches.
Kasane:0.69cm or 0.27 inches.
The weight of the sword: 835 grams.
Era: Historically speaking, there were 3 swordsmiths
who used Mei of “Uda Tomotsugu”,
2 of them lived in the Nambokucho period,
1 of them in the Ounin era, the Muromachi
period. This work is supposed to be made in Nambokucho period, judging from the
condition of Nakago and its deep Sori.
Shape: The blade is slightly broad and thick with deep Sori and longer Kissaki.
Jigane: Itamehada is grained well and Hadame is visible.
Hamon: Niedeki Gunomemidare. Many movements of Hamon remind of Uda. Because it
has Shinogi, Hadame gets more and more visible with Itamehada and Mokumehada.
The fact that it has less Masame means that it has definitely characteristics of the
Special Feature: This sword has a great shape and thorough Shinogi left, and Sori.
Saya: Black Roiro Saya.
Tsuba: Shakudo Tsuba. The rim is covered by gold color.
Fuchikashira: On the Shakudo-Nanako plate, the family crest is engraved with gold color.
Menuki: On a black Shakudo plate, the family crest is engraved with gold color.
From Aoi Art: This work was made any Tomotsugu in the Nambokucho period.
Sori is deep and Hamon lines are great with Kinsuji.
Koshirae was made probably by well-paid Samurai or Daimyo.
NBTHK Hozon Token
Aoi Art estimation paper: whole Oshigata by Ayaka Tsuruta.