AS23618 Katana: Mumei (Uda school)(NBTHK Hozon Token)

Katana in Shirasaya with Koshirae(NBTHK Hozon Token)
Signature: Mumei (Uda, 宇多)

We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku.
This work is ranked as Regular Saku among Mumei (Uda) swords.

Habaki: Made of plain copper colored in gold.
Blade Length: 69.2 cm (27.24 in)
Curvature: 1.0 cm (0.39 in)
Mekugi Hole: 3
Width at Base (Motohaba): 2.92 cm (1.15 in)
Width at Tip (Sakihaba): 1.93 cm (0.76 in)
Thickness of rim (Kasane): 0.61 cm (0.24 in)
Sword Weight: 675 grams

Era: late Muromachi period, 16th century
Shape: Almost straight normal-sized blade with wide Shinogi.
Jigane: Koitame hada
Hamon: Konie base Suguha with Koashi and Uchiyoke. Boshi is Hakikake with Kinsuji.

Features:
The Uda school was a group of swordsmiths who moved from Yamato Province to Etchū and flourished from the late Kamakura period through the Edo period. Works made before the Ōei era are referred to as Ko-Uda, while those made after are simply called Uda. This piece is believed to date from around the 16th century, a time when warfare was widespread across Japan, and it offers an enjoyable sense of age.

Koshirae:
Tsuba: iron base carved with a design of plants
Menuki: design of hand drum
Fuchikashira: Shakudo base with arabesque

NBTHK Hozon Certificate
Aoi Art estimation paper: Whole Oshigata