AS25424 Katana: Mumei (Shinshinto Jumyo)(NBTHK Hozon Token)

Description

Ordering number:AS25424

Katana in Shirasaya (NBTHK Hozon Token)

Signature: Mumei (Shinshinto Jumyo)
無銘(新々刀寿命)

We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku.
This work is ranked as Jyo Saku for Mumei (Shinshinto Jumyo).
Habaki: Gold-plated single
Blade Length: 66.8 cm (26.30 in)
Curvature: 1.7 cm (0.67 in)
Mekugi Hole: 1
Width at Base (Motohaba): 3.13 cm (1.23 in)
Width at Tip (Sakihaba): 2.28 cm (0.90 in)
Thickness of rim (Kasane): 0.79 cm (0.31 in)
Sword Weight: 835 g
Era: Late Edo period
Shape:A well-shaped blade with wide body, slightly thick kasane, and deep curvature.
The kissaki is slightly extended, giving the piece a strong, elegant form.
Jigane:Well-forged ko-itame hada with fine texture and clearly visible grain.
Hamon:Nie-based gunome-midare continues smoothly from the base to the tip.
The boshi is rounded and slightly large.

Features:Jumyo swords were often made as auspicious gifts, as the name “Jumyo” (meaning “longevity”) carried positive connotations.
As a result, many Jumyo swords were produced for ceremonial or gift purposes.

Aoi Art’s Comment: This blade has passed NBTHK Hozon Token authentication as a Shinshinto-era Jumyo sword.
It is healthy and well-evaluated.

NBTHK Hozon Token
Aoi Art estimation paper
Whole Oshigata
*Please note: The price does not include shipping fees.

Please note: the price does not include the shipping fees.




Starting bid: ¥300,000

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Ending On: 2026/02/07 (Sat) 10:30
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Bid History

Auction started
2026/01/31 (Sat) 10:20

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