AS24747 Katana: Mumei(Unsigned)(Ko-uda school)(NBTHK Hozon Token)(Consignment Sale)

Katana in Shirasaya with Koshirae (NBTHK Hozon Token)

Inscription: Mumei(Unsigned)(Ko-uda school)

We divide works in to Saijo Saku, Jyojyo Saku, Jyo Saku,and Regular Saku.
This piece is ranked as Jyojyo Saku for Mumei(Ko-Uda).

Habaki: copper single habaki
Blade Length: 70.0cm (27.6in)
Curvature: 2.1cm (0.8in)
Width at Base(Motohaba): 2.5cm (1.0in)
Width at tip(Sakihaba): 1.4cm (0.6in)
Thickness: 0.4cm (0.2in)
Blade Weight: 415g
Era: Nanbokucho period
Shape: thin blade with deep curveture.
Jigane: fine Jigane with Chikei and Utsuri.
Hamon: Nie base norare with Niju-ba.

Features:
The Uda school originated from Yamato Province and later moved to Etchu Province.
Its founder was said to be Ko-Nyudo Kunimitsu, who was active during the late Kamakura period.Notable smiths such as Kunifusa, Kunimune, and Kunitomo followed, and the school remained active until the Edo period. Works made before the early Muromachi period are referred to as “Ko-Uda”, and those afterward simply as “Uda”.
The sword was appraised as Ko-Uda by the NBTHK, but I believe the jigane is finer and more beautiful than what is typical for Ko-Uda.

NBTHK Hozon Certificate
Aoi-Art estimation Paper
whole Oshigata