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Description

This is a mumei tanto attributed to the Yamamura school, active during the Nanbokucho period around the Oan era (1368). It features a wide, slightly thin Mitsumume style blade with no sori, and engravings of Ken and a dragon on the omote side. The jigane shows Ko Itame Hada Hadadachi with Jinie attach and Utsuri, while the hamon is Nie Deki Suguha with Ko Ashi and long Kinsuji.

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Swords›Yamamura›Tanto: Mumei (Yamamura) (NBTHK Hozon Token)
tantoHozon
Yamamura

Tanto: Mumei (Yamamura) (NBTHK Hozon Token)

mumei · Yamamura · Nanbokucho · nagasa 26.3cm

¥400,000
Visit seller website →
TantoHozon
Could you name the smith from the blade alone? Today’s kantei →
Yamamura — 1 of 5
Yamamura — 2 of 5
Yamamura — 3 of 5
Yamamura — 4 of 5
Yamamura — 5 of 5
1 / 5
1 / 5
Yamamura — 1 of 5Yamamura — 2 of 5Yamamura — 3 of 5Yamamura — 4 of 5Yamamura — 5 of 5
TantoHozon
Could you name the smith from the blade alone? Today’s kantei →
Measurements & details
Smith
Yamamura
Type
Tanto
Period
Nanbokucho
Province
Echigo
Signature
Unsigned
Measurements
Nagasa 26.3cmMotohaba 2.72cmKasane 0.53cmWeight 190g
Description

This is a mumei tanto attributed to the Yamamura school, active during the Nanbokucho period around the Oan era (1368). It features a wide, slightly thin Mitsumume style blade with no sori, and engravings of Ken and a dragon on the omote side. The jigane shows Ko Itame Hada Hadadachi with Jinie attach and Utsuri, while the hamon is Nie Deki Suguha with Ko Ashi and long Kinsuji.

Historical context

The Nanbokuchō period (1333 to 1392)

›

Two courts, sixty years of war, and the most dramatic silhouettes in the sword’s history: broad blades, extended points, true ōdachi later cut down into the majestic katana collectors prize. The Sōshū manner was the style of the age.

The Nanbokuchō period (1333 to 1392) →

NBTHK Certificate
Hozon Tōken保存刀剣
Sword Worthy of Preservation
›

Certifies a genuine blade worth preserving: a signature confirmed correct, or, if unsigned, an era, province, and school that the NBTHK can reliably identify.

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
A
Aoi Art
🇯🇵Ships from Japan
›
✓Verified dealeraoijapan.com
Settles in JPY
✓Ships worldwide✓English supportWire transferPayPalCredit card
Return policy

If you wish to return an item, please notify us within 3 days of receipt. After this period we cannot accept cancellations. Please ship the return to us within 5 business days. Cancellation is conditional on the item being kept in the same condition as at the time of sale, so please handle it with care.

View all of Aoi Art’s listings→View this item on the dealer’s site→

More from the Yamamura school

Yazawa Shokai
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Tanto - Tokuho - by Nobukuni School - Yamamura Masanobu - Late Nanbokucho Period, Mumei, HirazukuriTanto - Tokuho - by Nobukuni School - Yamamura Masanobu - Late Nanbokucho Period, Mumei, Hirazukuri

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Tantō

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¥490,000
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ByNobukuni School
¥660,000

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  • Naginata
  • Yari
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  • Kozuka
  • Menuki
  • Sword Guards (Tsuba)

Armor

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  • 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

¥400,000

View on Aoi Art

Description

This is a mumei tanto attributed to the Yamamura school, active during the Nanbokucho period around the Oan era (1368). It features a wide, slightly thin Mitsumume style blade with no sori, and engravings of Ken and a dragon on the omote side. The jigane shows Ko Itame Hada Hadadachi with Jinie attach and Utsuri, while the hamon is Nie Deki Suguha with Ko Ashi and long Kinsuji.

NihontoWatch MonNihontoWatch
MarketEncyclopediaKantei
Swords›Yamamura›Tanto: Mumei (Yamamura) (NBTHK Hozon Token)
tantoHozon
Yamamura

Tanto: Mumei (Yamamura) (NBTHK Hozon Token)

mumei · Yamamura · Nanbokucho · nagasa 26.3cm

¥400,000
Visit seller website →
TantoHozon
Could you name the smith from the blade alone? Today’s kantei →
Yamamura — 1 of 5
Yamamura — 2 of 5
Yamamura — 3 of 5
Yamamura — 4 of 5
Yamamura — 5 of 5
1 / 5
1 / 5
Yamamura — 1 of 5Yamamura — 2 of 5Yamamura — 3 of 5Yamamura — 4 of 5Yamamura — 5 of 5
TantoHozon
Could you name the smith from the blade alone? Today’s kantei →
Measurements & details
Smith
Yamamura
Type
Tanto
Period
Nanbokucho
Province
Echigo
Signature
Unsigned
Measurements
Nagasa 26.3cmMotohaba 2.72cmKasane 0.53cmWeight 190g
Description

This is a mumei tanto attributed to the Yamamura school, active during the Nanbokucho period around the Oan era (1368). It features a wide, slightly thin Mitsumume style blade with no sori, and engravings of Ken and a dragon on the omote side. The jigane shows Ko Itame Hada Hadadachi with Jinie attach and Utsuri, while the hamon is Nie Deki Suguha with Ko Ashi and long Kinsuji.

Historical context

The Nanbokuchō period (1333 to 1392)

›

Two courts, sixty years of war, and the most dramatic silhouettes in the sword’s history: broad blades, extended points, true ōdachi later cut down into the majestic katana collectors prize. The Sōshū manner was the style of the age.

The Nanbokuchō period (1333 to 1392) →

NBTHK Certificate
Hozon Tōken保存刀剣
Sword Worthy of Preservation
›

Certifies a genuine blade worth preserving: a signature confirmed correct, or, if unsigned, an era, province, and school that the NBTHK can reliably identify.

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
A
Aoi Art
🇯🇵Ships from Japan
›
✓Verified dealeraoijapan.com
Settles in JPY
✓Ships worldwide✓English supportWire transferPayPalCredit card
Return policy

If you wish to return an item, please notify us within 3 days of receipt. After this period we cannot accept cancellations. Please ship the return to us within 5 business days. Cancellation is conditional on the item being kept in the same condition as at the time of sale, so please handle it with care.

View all of Aoi Art’s listings→View this item on the dealer’s site→

More from the Yamamura school

Yazawa Shokai
Tokuho
Tanto - Tokuho - by Nobukuni School - Yamamura Masanobu - Late Nanbokucho Period, Mumei, HirazukuriTanto - Tokuho - by Nobukuni School - Yamamura Masanobu - Late Nanbokucho Period, Mumei, Hirazukuri

Tantō

ByNobukuni School
¥300,000
Samurai Museum
Hozon
Tanto - Hozon - by Yamamura Yasunobu - Antique Japanese Sword Tanto Attributed to Yamamura Yasunobu NBTHK Hozon CertificateTanto - Hozon - by Yamamura Yasunobu - Antique Japanese Sword Tanto Attributed to Yamamura Yasunobu NBTHK Hozon Certificate

Tantō

ByYamamura Yasunobu
¥490,000
Toushin
Tokuho
Wakizashi - Tokuho - by Nobukuni School - Mumei (Attributed to Yamamura Masanobu)Wakizashi - Tokuho - by Nobukuni School - Mumei (Attributed to Yamamura Masanobu)

Wakizashi

ByNobukuni School
¥660,000

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
Nihontowatch© 2026
TermsPrivacyCookiesAbout

¥400,000

View on Aoi Art
NihontoWatch MonNihontoWatch
Market
Encyclopedia
Kantei
NihontoWatch MonNihontoWatch
Market
Encyclopedia
Kantei