Japanese Sword , Katana , Sword Fitting New

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AS24173 Katana:Mumei (Naotane Shizu) (NBTHK Tokubetsu Hozon Token)

Ordering number:24173

Katana in Shirasaya with Koshirae (NBTHK Tokubetsu Hozon Token)

Signature: Mumei (Naotane Shizu)
無銘(直江志津)

We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku.
This sword is ranked as Jyojyo Saku for the works of Mumei (Naotane Shizu).
Polished.
Habaki: Double-layered gold
Blade Length: 70.61 cm (2 Shaku 3 Sun 3 Bu)
Curvature: 1.52 cm (5 Bu)
Mekugi Hole: 2
Width at Base: 3.07 cm (1.21 in)
Width at Yokote: 2.2 cm (0.87 in)
Thickness: 0.6 cm (0.24 in)
Sword Weight: 640 g (1.41 lbs)
Era: Nanbokucho Period
Shape: O-suriage mumei, normal width and thickness, deep curvature with bo-hi on both sides and long kissaki.
Jigane: Ko-itame hada well-forged with continuous ko-gunome midare, sunagashi, and kinsuji activity.
Hamon: Ko-gunome midare with double-edged boshi, notare with small round return.

Features: In the province of Mino, Kanetsugu, one of Masamune's ten great disciples, settled in Shizu and founded a prosperous school. Later, his disciples Kanetomo, Kanetsugu, and Kanenobu moved to Naotane, and the school's swordsmiths were collectively known as Naotane Shizu.

Koshirae:
Tsuba: Circular iron with a shell motif in red copper nanakoji. Signed.
Fuchikashira: Red copper nanakoji with a high relief shell design, partially colored with gold.
Saya: Black lacquered saya.
Menuki: High relief shell design in red copper with gold inlay.

Aoi Art’s Comment: Naotane Shizu is a group of swordsmiths from the Shizu school, divided into Naotane Shizu and Yamato Shizu. When examining a Masamune blade, I noted a similar hamon from the blade's base to the middle area, with visible kinsuji in the hamon.

Historical Background: Following the Kamakura period, the Nanbokucho period began. In the early Nanbokucho period, swordsmiths like Naotane Shizu were active. The swords produced during this era were significantly larger.

NBTHK Tokubetsu Hozon Token
Aoi Art estimation paper
Whole Oshigata

Price:1,200,000JPY

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