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Description

This Tsuba, signed by Sadahiro of Owari Province, features a delicate openwork design inspired by the traditional Japanese Masu (measuring box), symbolizing prosperity. Crafted from Shakudō, an alloy of gold and copper, it exhibits a hand-hammered iron ground with fine engraving and subtle inlay work. The Tsuba is accompanied by an NBTHK Hozon Certificate, authenticating its craftsmanship from the mid-Edo period.

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Fittings›Owari›Sadahiro›Antique Tsuba for Samurai Sword with NBTHK Hozon Certificate (T-841)
tsubaHozon
Owari Sadahiro

Antique Tsuba for Samurai Sword with NBTHK Hozon Certificate (T-841)

mei · Edo

SOLD
Owari Sadahiro (貞広) · Edo2 works for sale →
TsubaHozon
Could you name the smith from the blade alone? Today’s kantei →
Owari Sadahiro — 1 of 7
Owari Sadahiro — 2 of 7
Owari Sadahiro — 3 of 7
Owari Sadahiro — 4 of 7
Owari Sadahiro — 5 of 7
Owari Sadahiro — 6 of 7
Owari Sadahiro — 7 of 7
1 / 7
1 / 7
Owari Sadahiro — 1 of 7Owari Sadahiro — 2 of 7Owari Sadahiro — 3 of 7Owari Sadahiro — 4 of 7Owari Sadahiro — 5 of 7Owari Sadahiro — 6 of 7Owari Sadahiro — 7 of 7
Owari Sadahiro (貞広) · Edo2 works for sale →
TsubaHozon
Could you name the smith from the blade alone? Today’s kantei →
Measurements & details
Maker

Owari Sadahiro

Era

Edo

Province

Owari

Signature

Signed

Papers

Hozon (NBTHK)

Description

This Tsuba, signed by Sadahiro of Owari Province, features a delicate openwork design inspired by the traditional Japanese Masu (measuring box), symbolizing prosperity. Crafted from Shakudō, an alloy of gold and copper, it exhibits a hand-hammered iron ground with fine engraving and subtle inlay work. The Tsuba is accompanied by an NBTHK Hozon Certificate, authenticating its craftsmanship from the mid-Edo period.

About the maker

Sadahiro

貞広

Iron-tsuba · Owari

2 pieces on the market now

›

Historical importance

Where Sadahiro stands among comparable artisans: across all of nihontō, and within tradition, era, and period. The tiers (Foremost · Leading · Major · Notable) weigh official designations from the NBTHK and Japan's Agency for Cultural Affairs, together with historical honors of lasting repute such as the Sansaku and Meibutsu-chō.

随一
Foremost
屈指
Leading
有数
Major
著名
Notable

Select a lens to see how it's measured.

Designation record
1 designated works
Jūyō
1
2 works by Sadahiro on the market→
Sadahiro — full profileIron-tsuba school

Study this maker →

About the school

Owari

尾張

Iron-tsuba · Owari

93 pieces on the market now

›

The Owari school represents one of the twin pillars of Japanese iron openwork tsuba production, standing alongside the Kyō tradition as a defining force in the art of ji-sukashi (ground openwork) guards. The school's origins lie in the Owari province (modern Aichi prefecture), where production began in the early to middle Muromachi period and continued across a sustained span extending into the Edo period. While Kyō sukashi is characterized by delicacy and graceful elegance, Owari guards distinguish themselves through a tasteful refinement that conceals inner strength—a quality often described as possessing both dignity and rustic vigor. The tradition's most celebrated artisan, Yamakichibee, worked alongside contemporaries such as Hoan to establish technical standards that would define the school's reputation. Early signatures appear in forms such as "Yamasaka Kichibee" and abbreviated variants "Yama Kichibee," with the character へ understood as a shortening of 衛, suggesting generational succession across the late Muromachi and Momoyama periods. The technical achievements of Owari tsuba center on the mastery of iron itself, expressed through distinctive forging methods and surface treatment. The school's craftsmen employed a characteristic modeling technique called nikuoki, in which the central area of the plate is made slightly lower while the outer rim is raised, creating subtle variations in relief that enhance both visual depth and structural integrity.

This treatment is complemented by the dramatic appearance of tekkotsu (iron bones)—crystalline grain structures that emerge along the kaku-mimi ko-niku rim (angular rim with slight rounding) through controlled annealing or yakite finishing. These iron bones manifest in multiple forms: granular, clumped, linear, and pronounced masame (straight-grain) patterns, often appearing in lively activity across both the rim and the plate surface. The forged iron develops a deep, thick purple rust patina (murasaki-sabi) of exceptional beauty, while the plate itself may be finished with tsuchime (hammer texturing) or gently dished surfaces that create a melting, softened effect. The school's openwork compositions range from geometric patterned designs—such as flower petals, kozane (lamellar scales), and net patterns (amime-sukashi)—to boldly pictorial narratives incorporating the seppa-dai into unified compositions depicting catfish (namazu), crabs, wild geese (karigane), and literary themes such as the "Mount Utsu" scene from the Ise monogatari. The Owari tradition's influence extended well beyond the technical sphere, establishing aesthetic standards that defined connoisseurship and collecting practices for centuries. The school's guards were prized for what setsumei authors describe as an "antique, tasteful character" (koga no ajiwai)—a quality combining power, compact control, and the subtle fascination of fine iron that set them apart from contemporaneous work. While the school's original strengths began to diminish from the beginning of the Edo period, mature-phase examples from the late Muromachi and Momoyama periods demonstrate the full range of Owari excellence: stately presence achieved through imposing forms and thick construction, dynamic spatial effects created through kage-sukashi (shadow-like silhouette piercing), and an audacious, unconventional character that attracted eccentric taste (sukisha). Learn more →

7 recorded smiths105 designated works
Leading smiths
SmithEraDesignated
Nobuie信家—56
Sadahiro貞広—1
Tomoyasu友休16701
Nobuie信家15882
Jizaemon次左衛門—0
Explore the Owari school →
NBTHK Certificate
Hozon Tōsōgu保存刀装具
Fitting Worthy of Preservation
›

Certifies a genuine fitting worth preserving: a correct signature, or, if unsigned, an identifiable era and school, with recognized artistic and craft value.

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
S
Samurai Museum
🇯🇵Ships from Japan
›
✓Verified dealersamuraimuseum.jp
✓Ships worldwide✓English supportPayPalCredit card
Return policy

Returns/exchanges limited to defects caused by shipping (except willful misconduct or gross negligence by the company); customers must contact within 72 hours of receiving the product.

View all of Samurai Museum’s listings→View this item on the dealer’s site→

More works by Owari Sadahiro

View all →
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Tsuba - NTHK - by Owari Sadahiro - Owari Sadahiro (貞広) with NTHK HozonTsuba - NTHK - by Owari Sadahiro - Owari Sadahiro (貞広) with NTHK Hozon

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¥1,600

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Iida Koendo
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ByNobuie
¥2,750,000

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  • Browse All
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Sold

Description

This Tsuba, signed by Sadahiro of Owari Province, features a delicate openwork design inspired by the traditional Japanese Masu (measuring box), symbolizing prosperity. Crafted from Shakudō, an alloy of gold and copper, it exhibits a hand-hammered iron ground with fine engraving and subtle inlay work. The Tsuba is accompanied by an NBTHK Hozon Certificate, authenticating its craftsmanship from the mid-Edo period.

NihontoWatch MonNihontoWatch
MarketEncyclopediaKantei
Fittings›Owari›Sadahiro›Antique Tsuba for Samurai Sword with NBTHK Hozon Certificate (T-841)
tsubaHozon
Owari Sadahiro

Antique Tsuba for Samurai Sword with NBTHK Hozon Certificate (T-841)

mei · Edo

SOLD
Owari Sadahiro (貞広) · Edo2 works for sale →
TsubaHozon
Could you name the smith from the blade alone? Today’s kantei →
Owari Sadahiro — 1 of 7
Owari Sadahiro — 2 of 7
Owari Sadahiro — 3 of 7
Owari Sadahiro — 4 of 7
Owari Sadahiro — 5 of 7
Owari Sadahiro — 6 of 7
Owari Sadahiro — 7 of 7
1 / 7
1 / 7
Owari Sadahiro — 1 of 7Owari Sadahiro — 2 of 7Owari Sadahiro — 3 of 7Owari Sadahiro — 4 of 7Owari Sadahiro — 5 of 7Owari Sadahiro — 6 of 7Owari Sadahiro — 7 of 7
Owari Sadahiro (貞広) · Edo2 works for sale →
TsubaHozon
Could you name the smith from the blade alone? Today’s kantei →
Measurements & details
Maker

Owari Sadahiro

Era

Edo

Province

Owari

Signature

Signed

Papers

Hozon (NBTHK)

Description

This Tsuba, signed by Sadahiro of Owari Province, features a delicate openwork design inspired by the traditional Japanese Masu (measuring box), symbolizing prosperity. Crafted from Shakudō, an alloy of gold and copper, it exhibits a hand-hammered iron ground with fine engraving and subtle inlay work. The Tsuba is accompanied by an NBTHK Hozon Certificate, authenticating its craftsmanship from the mid-Edo period.

About the maker

Sadahiro

貞広

Iron-tsuba · Owari

2 pieces on the market now

›

Historical importance

Where Sadahiro stands among comparable artisans: across all of nihontō, and within tradition, era, and period. The tiers (Foremost · Leading · Major · Notable) weigh official designations from the NBTHK and Japan's Agency for Cultural Affairs, together with historical honors of lasting repute such as the Sansaku and Meibutsu-chō.

随一
Foremost
屈指
Leading
有数
Major
著名
Notable

Select a lens to see how it's measured.

Designation record
1 designated works
Jūyō
1
2 works by Sadahiro on the market→
Sadahiro — full profileIron-tsuba school

Study this maker →

About the school

Owari

尾張

Iron-tsuba · Owari

93 pieces on the market now

›

The Owari school represents one of the twin pillars of Japanese iron openwork tsuba production, standing alongside the Kyō tradition as a defining force in the art of ji-sukashi (ground openwork) guards. The school's origins lie in the Owari province (modern Aichi prefecture), where production began in the early to middle Muromachi period and continued across a sustained span extending into the Edo period. While Kyō sukashi is characterized by delicacy and graceful elegance, Owari guards distinguish themselves through a tasteful refinement that conceals inner strength—a quality often described as possessing both dignity and rustic vigor. The tradition's most celebrated artisan, Yamakichibee, worked alongside contemporaries such as Hoan to establish technical standards that would define the school's reputation. Early signatures appear in forms such as "Yamasaka Kichibee" and abbreviated variants "Yama Kichibee," with the character へ understood as a shortening of 衛, suggesting generational succession across the late Muromachi and Momoyama periods. The technical achievements of Owari tsuba center on the mastery of iron itself, expressed through distinctive forging methods and surface treatment. The school's craftsmen employed a characteristic modeling technique called nikuoki, in which the central area of the plate is made slightly lower while the outer rim is raised, creating subtle variations in relief that enhance both visual depth and structural integrity.

This treatment is complemented by the dramatic appearance of tekkotsu (iron bones)—crystalline grain structures that emerge along the kaku-mimi ko-niku rim (angular rim with slight rounding) through controlled annealing or yakite finishing. These iron bones manifest in multiple forms: granular, clumped, linear, and pronounced masame (straight-grain) patterns, often appearing in lively activity across both the rim and the plate surface. The forged iron develops a deep, thick purple rust patina (murasaki-sabi) of exceptional beauty, while the plate itself may be finished with tsuchime (hammer texturing) or gently dished surfaces that create a melting, softened effect. The school's openwork compositions range from geometric patterned designs—such as flower petals, kozane (lamellar scales), and net patterns (amime-sukashi)—to boldly pictorial narratives incorporating the seppa-dai into unified compositions depicting catfish (namazu), crabs, wild geese (karigane), and literary themes such as the "Mount Utsu" scene from the Ise monogatari. The Owari tradition's influence extended well beyond the technical sphere, establishing aesthetic standards that defined connoisseurship and collecting practices for centuries. The school's guards were prized for what setsumei authors describe as an "antique, tasteful character" (koga no ajiwai)—a quality combining power, compact control, and the subtle fascination of fine iron that set them apart from contemporaneous work. While the school's original strengths began to diminish from the beginning of the Edo period, mature-phase examples from the late Muromachi and Momoyama periods demonstrate the full range of Owari excellence: stately presence achieved through imposing forms and thick construction, dynamic spatial effects created through kage-sukashi (shadow-like silhouette piercing), and an audacious, unconventional character that attracted eccentric taste (sukisha). Learn more →

7 recorded smiths105 designated works
Leading smiths
SmithEraDesignated
Nobuie信家—56
Sadahiro貞広—1
Tomoyasu友休16701
Nobuie信家15882
Jizaemon次左衛門—0
Explore the Owari school →
NBTHK Certificate
Hozon Tōsōgu保存刀装具
Fitting Worthy of Preservation
›

Certifies a genuine fitting worth preserving: a correct signature, or, if unsigned, an identifiable era and school, with recognized artistic and craft value.

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
S
Samurai Museum
🇯🇵Ships from Japan
›
✓Verified dealersamuraimuseum.jp
✓Ships worldwide✓English supportPayPalCredit card
Return policy

Returns/exchanges limited to defects caused by shipping (except willful misconduct or gross negligence by the company); customers must contact within 72 hours of receiving the product.

View all of Samurai Museum’s listings→View this item on the dealer’s site→

More works by Owari Sadahiro

View all →
Nihonto Art
NTHK
Tsuba - NTHK - by Owari Sadahiro - Owari Sadahiro (貞広) with NTHK HozonTsuba - NTHK - by Owari Sadahiro - Owari Sadahiro (貞広) with NTHK Hozon

Tsuba

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Tsuba

ByOwari Sadahiro
¥1,600

Previously sold by Owari Sadahiro

View all →
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SOLD
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Tsuba - NTHK - by Owari Sadahiro - Antique Tsuba for Samurai Sword with NTHK Certificate (T-708)Tsuba - NTHK - by Owari Sadahiro - Antique Tsuba for Samurai Sword with NTHK Certificate (T-708)
Sold

Tsuba

ByOwari Sadahiro
SOLD

More from the Owari school

View all →
Choshuya
Hozon
Tsuba - Hozon - by Kanayama School - Eggplant and Wild Geese Openwork, Mumei KanayamaTsuba - Hozon - by Kanayama School - Eggplant and Wild Geese Openwork, Mumei Kanayama

Tsuba

ByKanayama School
¥220,000
Wakeidou
Jūyō
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Tsuba

ByNobuie
¥7,000,000
Bushido Antique Japanese Swords
Tokuho
Tsuba - Tokuho - by Hoan School - Hoan Tsuba - NBTHK Tokubetsu Hozon CertificateTsuba - Tokuho - by Hoan School - Hoan Tsuba - NBTHK Tokubetsu Hozon Certificate

Tsuba

ByHoan School
¥2,650
Nihontocraft
Hozon
Tsuba - Hozon - by Yagyu School - Kodai Yagyu TsubaTsuba - Hozon - by Yagyu School - Kodai Yagyu Tsuba

Tsuba

ByYagyu School
¥2,250
Iida Koendo
Jūyō
Tsuba - Jūyō - by Nobuie - Nobuie TsubaTsuba - Jūyō - by Nobuie - Nobuie Tsuba

Tsuba

ByNobuie
Ask
Samurai Nippon
Jūyō
Tsuba - Jūyō - by Yamakichi Yamakichibei - Kuruma Sukashi ZuTsuba - Jūyō - by Yamakichi Yamakichibei - Kuruma Sukashi Zu

Tsuba

ByYamakichi Yamakichibei
Ask
Samurai Nippon
Tokuho
Tsuba - Tokuho - by Kanayama School - Kasane Hishi Sukashi ZuTsuba - Tokuho - by Kanayama School - Kasane Hishi Sukashi Zu

Tsuba

ByKanayama School
¥350,000
Iida Koendo
Tokuho
Tsuba - Tokuho - by Nobuie - Tosogu: NobuieTsuba - Tokuho - by Nobuie - Tosogu: Nobuie

Tsuba

ByNobuie
¥2,750,000

Swords

  • Katana
  • Wakizashi
  • Tantō
  • Tachi
  • Naginata
  • Yari
  • Japanese Swords
  • Samurai Swords

Fittings

  • Tsuba
  • Fuchi-Kashira
  • Kozuka
  • Menuki
  • Sword Guards (Tsuba)

Armor

  • Kabuto
  • Samurai Armor
  • All Samurai Armor

By Certification

  • Tokujū
  • Jūyō
  • Tokuho
  • Hozon

Resources

  • Dealer Directory
  • Artist Directory
  • The Daily Kantei
  • Glossary
  • Browse All
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Sold
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