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Description

This is a Koto period katana attributed to Shizu, a student of Masamune and founder of the Mino tradition. It is a magnificent blade with a long, wide, and thin profile, displaying the dynamic Soshu style of the Nanbokucho period. The sword comes with an elaborate Edo period koshirae and was awarded a bronze prize at a 2012 exhibition for its superb polish.

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Swords›Mino-den›Shizu›Koto Katana
katanaJūyō
Shizu School

Koto Katana

mumei · Nanbokucho · nagasa 72.2cm · sori 1.9cm

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KatanaJūyō
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KatanaJūyō
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Measurements & details
Smith
Shizu School
Type
Katana
School
Shizu
Period
Nanbokucho
Province
Mino
Signature
Unsigned(0% of this smith's designated works are signed)
Measurements
Nagasa 72.2cmSori 1.9cmMotohaba 3.3cmSakihaba 2.6cmKasane 0.5cm
Description

This is a Koto period katana attributed to Shizu, a student of Masamune and founder of the Mino tradition. It is a magnificent blade with a long, wide, and thin profile, displaying the dynamic Soshu style of the Nanbokucho period. The sword comes with an elaborate Edo period koshirae and was awarded a bronze prize at a 2012 exhibition for its superb polish.

About the school

Shizu

志津

Mino-den · Mino

24 pieces on the market now

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The Shizu tradition originated in Mino Province during the late Kamakura period when Kaneuji—originally of the Yamato Tegai school—relocated from his studies under Masamune of Sagami to the village of Shizu in Tagai District. Taking the place-name as his appellation, he became known as Shizu Saburō Kaneuji, and established a lineage that would become one of the most celebrated branches among the so-called Masamune Jittetsu (Ten Great Disciples of Masamune). While Kaneuji himself is often considered the paramount master of this group, the designation "Shizu" came to be applied broadly to unsigned works displaying the characteristic manner of this school, encompassing not only Kaneuji but also his contemporaries and successors working within the same stylistic orbit. A related category, Yamato Shizu, refers either to Kaneuji's early production before settling in Mino—when his work retained stronger Yamato Tegai characteristics—or to smiths of the Kanetsugu lineage who remained in Yamato rather than migrating to Mino. The collective hallmarks of Shizu workmanship reveal a distinctive synthesis of Sōshū-den brilliance and Yamato structural sensibilities. The forging typically displays flowing itame-hada mixed with mokume, frequently tending toward hada-dachi (standing grain), with areas where masame inclinations appear along the edge. A defining feature is the dense application of fine ji-nie, often described as thickly adhering, accompanied by abundant chikei that enter repeatedly to produce a notably clear and bright appearance. The hamon favors shallow notare as a foundation, mixed with gunome, ko-gunome, and pointed elements (togariba), forming compositions that range from gentle undulations to boldly disturbed patterns.

The temper is richly nie-based, with vigorous sunagashi streaming through the pattern, frequent kinsuji, and in many examples a "wet" quality (nureba) within the tempered area. Characteristic activities include hotsure along the habuchi, occasional nijūba (double-temper) effects that recall Yamato influence, and in some works the presence of linked gunome sequences. The bōshi commonly enters in midare-komi or notare-komi, turning back with pointed or rounded forms, and frequently displays hakikake at the tip. Among the upper tier of Sōshū-den productions, works attributed to the Shizu lineage are particularly valued for the way their gleaming ha-nie activities create patterns that are both vigorous and refined. The thick ji-nie and prominent chikei in the forging, combined with the bright, clear nioiguchi in the temper, result in blades that are described as saeru—possessing a luminous clarity that distinguishes superior examples. While the style stands closest to Masamune among his disciples, the Shizu manner retains its own individuality: the blending of Yamato characteristics into the Sōshū tradition produces a distinctive temperament in both ji and ha that connoisseurs recognize at a glance. Many extant examples survive only as greatly shortened (ō-suriage) and unsigned (mumei) blades, yet the workmanship in such pieces typically remains sound and well-preserved (kenzen), testifying to the fundamental excellence of forging and tempering that defines this celebrated school. Learn more →

10 recorded smiths454 designated works
Leading smiths
SmithEraDesignated
Kaneuji兼氏1319-1321159
Naoshizu直鎭1532-15550
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Historical context

Mino in the Nanbokuchō period

›

Mino was founded, tradition holds, by immigrants: Kaneuji of the Yamato Tegai line settled at Shizu to work in the new Sōshū manner, so persuasively that later appraisers judged his best blades the closest of any to Masamune.

Mino in the Nanbokuchō period →

NBTHK Certificate
Jūyō Tōken重要刀剣
Important Sword
›

A blade of top-grade workmanship and condition, formally judged to rank with a nationally recognized Important Art Object (Jūyō Bijutsuhin). Awarded only at the NBTHK’s competitive annual examination.

Of Japan’s roughly 2.5 million registered swords, only 12,357 (about 1 in 202) have ever attained Jūyō.

About the NBTHK›

The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.

NBTHK official site→
Seller
I
Iida Koendo
Established 1880 · 146 yrs on the market
🇯🇵Ships from Japan
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✓Verified dealeriidakoendo.com
✓Ships worldwide✓English supportWire transfer
Return policy

Customer-initiated returns accepted within two days of arrival; return shipping paid by customer and fees non-refundable. Returns/refunds unavailable for overseas deliveries.

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