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Description

This is a katana by Bungo no Kami Masatomi, a smith who relocated from Mino to Owari in the early Edo period. The blade features a brilliant choji-midare hamon with sunagashi and high yakidaka, showcasing exceptional vitality and refinement. It comes with an Edo-period koshirae themed around the ocean, including an Echizen Kinai School tsuba and Heike warrior crab menuki, and is accompanied by four certificates of authenticity.

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MarketEncyclopediaKantei
Swords›Masayasu›Katana: Bungo no Kami Masatomi
katanaTokubetsu Hozon
Masayasu

Katana: Bungo no Kami Masatomi

mei · Owari (mino-Trained) · Enpo (1673-1681) · nagasa 60.4cm · sori 1.4cm

SOLD
Masayasu (正全) · Owari (mino-Trained) · Enpo (1673-1681)4 works for sale →
Katana
Could you name the smith from the blade alone? Today’s kantei →
Masayasu — 1 of 1
Masayasu — 1 of 1
Masayasu (正全) · Owari (mino-Trained) · Enpo (1673-1681)4 works for sale →
Katana
Could you name the smith from the blade alone? Today’s kantei →
Measurements & details
Smith
Masayasu
Type
Katana
Period
Around 1673–1681(Enpo)
Province
Owari (nagoya)
Signature
Signed
Measurements
Nagasa 60.4cmSori 1.4cmMotohaba 3.2cm
Description

This is a katana by Bungo no Kami Masatomi, a smith who relocated from Mino to Owari in the early Edo period. The blade features a brilliant choji-midare hamon with sunagashi and high yakidaka, showcasing exceptional vitality and refinement. It comes with an Edo-period koshirae themed around the ocean, including an Echizen Kinai School tsuba and Heike warrior crab menuki, and is accompanied by four certificates of authenticity.

About the maker

Masayasu

正全

Owari · around 1673-1681

4 pieces on the market now

›
4 works by Masayasu on the market→
Masayasu — full profile

Study this maker →

Historical context

The Edo period (1615 to 1868)

›

Under the Tokugawa peace the daishō became a regulated uniform, and demand gathered in the castle towns, above all Edo itself. The craft split two ways: brilliant display work for connoisseurs, and tested blades whose cutting results were sometimes inlaid in gold.

The Edo period (1615 to 1868) →

NBTHK Certificate
Tokubetsu Hozon Tōken特別保存刀剣
Sword Especially Worthy of Preservation
›

A Hozon-certified blade judged to show notably superior workmanship and a better state of preservation. The bar is higher: re-tempered blades and most unsigned Muromachi/Edo works are excluded.

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
U
Unique Japan
Established 2006 · 20 yrs on the market
🇯🇵Ships from Japan
›
✓Verified dealeruniquejapan.com
✓Ships worldwide✓English supportWire transfer
Return policy

All swords come with a three-day inspection period beginning from the date of delivery. If not satisfied, the sword may be returned within this period for a full refund of the purchase price. Outside of this period, all sales are final. Swords purchased on a layaway payment plan are not eligible for the three-day inspection period.

View all of Unique Japan’s listings→View this item on the dealer’s site→

More works by Masayasu

View all →
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Wakizashi

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¥500,000
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Swords

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  • Menuki
  • Sword Guards (Tsuba)

Armor

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By Certification

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Resources

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  • The Daily Kantei
  • Glossary
  • Browse All
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Sold

Description

This is a katana by Bungo no Kami Masatomi, a smith who relocated from Mino to Owari in the early Edo period. The blade features a brilliant choji-midare hamon with sunagashi and high yakidaka, showcasing exceptional vitality and refinement. It comes with an Edo-period koshirae themed around the ocean, including an Echizen Kinai School tsuba and Heike warrior crab menuki, and is accompanied by four certificates of authenticity.

NihontoWatch MonNihontoWatch
MarketEncyclopediaKantei
Swords›Masayasu›Katana: Bungo no Kami Masatomi
katanaTokubetsu Hozon
Masayasu

Katana: Bungo no Kami Masatomi

mei · Owari (mino-Trained) · Enpo (1673-1681) · nagasa 60.4cm · sori 1.4cm

SOLD
Masayasu (正全) · Owari (mino-Trained) · Enpo (1673-1681)4 works for sale →
Katana
Could you name the smith from the blade alone? Today’s kantei →
Masayasu — 1 of 1
Masayasu — 1 of 1
Masayasu (正全) · Owari (mino-Trained) · Enpo (1673-1681)4 works for sale →
Katana
Could you name the smith from the blade alone? Today’s kantei →
Measurements & details
Smith
Masayasu
Type
Katana
Period
Around 1673–1681(Enpo)
Province
Owari (nagoya)
Signature
Signed
Measurements
Nagasa 60.4cmSori 1.4cmMotohaba 3.2cm
Description

This is a katana by Bungo no Kami Masatomi, a smith who relocated from Mino to Owari in the early Edo period. The blade features a brilliant choji-midare hamon with sunagashi and high yakidaka, showcasing exceptional vitality and refinement. It comes with an Edo-period koshirae themed around the ocean, including an Echizen Kinai School tsuba and Heike warrior crab menuki, and is accompanied by four certificates of authenticity.

About the maker

Masayasu

正全

Owari · around 1673-1681

4 pieces on the market now

›
4 works by Masayasu on the market→
Masayasu — full profile

Study this maker →

Historical context

The Edo period (1615 to 1868)

›

Under the Tokugawa peace the daishō became a regulated uniform, and demand gathered in the castle towns, above all Edo itself. The craft split two ways: brilliant display work for connoisseurs, and tested blades whose cutting results were sometimes inlaid in gold.

The Edo period (1615 to 1868) →

NBTHK Certificate
Tokubetsu Hozon Tōken特別保存刀剣
Sword Especially Worthy of Preservation
›

A Hozon-certified blade judged to show notably superior workmanship and a better state of preservation. The bar is higher: re-tempered blades and most unsigned Muromachi/Edo works are excluded.

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
U
Unique Japan
Established 2006 · 20 yrs on the market
🇯🇵Ships from Japan
›
✓Verified dealeruniquejapan.com
✓Ships worldwide✓English supportWire transfer
Return policy

All swords come with a three-day inspection period beginning from the date of delivery. If not satisfied, the sword may be returned within this period for a full refund of the purchase price. Outside of this period, all sales are final. Swords purchased on a layaway payment plan are not eligible for the three-day inspection period.

View all of Unique Japan’s listings→View this item on the dealer’s site→

More works by Masayasu

View all →
Aoi Art
Tokuho
Katana - Tokuho - by Masayasu - Fujiwara Masayasu (also read as Masatomo) SakuKatana - Tokuho - by Masayasu - Fujiwara Masayasu (also read as Masatomo) Saku

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ByMasayasu
Starting Bid¥800,000
Aoi Art
Hozon
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Wakizashi

ByMasayasu
Starting Bid¥450,000
Yazawa Shokai
Tokuho
Wakizashi - Tokuho - by Masayasu - Tokubetsu Hozon Wakizashi: Shozen (Ubu-mei, Rare Two-Character Signature) - A Powerful Wakizashi with High Yakiba over Shinogi-ji and Over 32mm Motohaba, Edo Period, Enpo EraWakizashi - Tokuho - by Masayasu - Tokubetsu Hozon Wakizashi: Shozen (Ubu-mei, Rare Two-Character Signature) - A Powerful Wakizashi with High Yakiba over Shinogi-ji and Over 32mm Motohaba, Edo Period, Enpo Era

Wakizashi

ByMasayasu
¥500,000
Aoi Art
Tokuho
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ByMasayasu
¥500,000

Previously sold by Masayasu

View all →
Choshuya
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SOLD
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SOLD
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Samurai Museum
Katana - by Masayasu - Antique Japanese Sword Katana Attributed to Masayasu with Kantei Club Kanteisho CertificateKatana - by Masayasu - Antique Japanese Sword Katana Attributed to Masayasu with Kantei Club Kanteisho Certificate
Sold

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Wakizashi - Tokuho - by Masayasu - ShozenWakizashi - Tokuho - by Masayasu - Shozen
Sold

Wakizashi

ByMasayasu
SOLD
World Seiyudo
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Wakizashi - Hozon - by Masayasu - Bungo-no-kami Minamoto MasayasuWakizashi - Hozon - by Masayasu - Bungo-no-kami Minamoto Masayasu
Sold

Wakizashi

ByMasayasu
SOLD

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
Nihontowatch© 2026
TermsPrivacyCookiesAbout
Sold
NihontoWatch MonNihontoWatch
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Kantei
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