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Description

This unsigned double-edged Tsurugi is attributed to Yamato Koken, a general term for swords made in the Yamato style before the Nanbokucho period. It is certified as Hozon Token by the NBTHK, indicating its authenticity and artistic value. The sword comes with a koshirae featuring an Unryu (dragon and clouds) theme on the Fuchi-Kashira and a dragon-wrapped Tsuka.

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Swords›Antique Japanese Sword Tsurugi Attributed to Yamato Koken NBTHK Hozon Certificate
kenHozon
Yamato Koken

Antique Japanese Sword Tsurugi Attributed to Yamato Koken NBTHK Hozon Certificate

mumei · Yamato · Nanbokucho · nagasa 25.1cm

SOLD
Hozon
Could you name the smith from the blade alone? Today’s kantei →
Yamato Koken — 1 of 22
Yamato Koken — 2 of 22
Yamato Koken — 3 of 22
Yamato Koken — 4 of 22
Yamato Koken — 5 of 22
Yamato Koken — 6 of 22
Yamato Koken — 7 of 22
Yamato Koken — 8 of 22
Yamato Koken — 9 of 22
Yamato Koken — 10 of 22
Yamato Koken — 11 of 22
Yamato Koken — 12 of 22
Yamato Koken — 13 of 22
Yamato Koken — 14 of 22
Yamato Koken — 15 of 22
Yamato Koken — 16 of 22
Yamato Koken — 17 of 22
Yamato Koken — 18 of 22
Yamato Koken — 19 of 22
Yamato Koken — 20 of 22
Yamato Koken — 21 of 22
Yamato Koken — 22 of 22
1 / 22
1 / 22
Yamato Koken — 1 of 22Yamato Koken — 2 of 22Yamato Koken — 3 of 22Yamato Koken — 4 of 22Yamato Koken — 5 of 22Yamato Koken — 6 of 22Yamato Koken — 7 of 22Yamato Koken — 8 of 22Yamato Koken — 9 of 22Yamato Koken — 10 of 22Yamato Koken — 11 of 22Yamato Koken — 12 of 22Yamato Koken — 13 of 22Yamato Koken — 14 of 22Yamato Koken — 15 of 22Yamato Koken — 16 of 22Yamato Koken — 17 of 22Yamato Koken — 18 of 22Yamato Koken — 19 of 22Yamato Koken — 20 of 22Yamato Koken — 21 of 22Yamato Koken — 22 of 22
Hozon
Could you name the smith from the blade alone? Today’s kantei →
Measurements & details
Smith
Yamato Koken
Type
Ken
Period
Nanbokucho
Province
Yamato
Signature
Unsigned
Measurements
Nagasa 25.1cm
Description

This unsigned double-edged Tsurugi is attributed to Yamato Koken, a general term for swords made in the Yamato style before the Nanbokucho period. It is certified as Hozon Token by the NBTHK, indicating its authenticity and artistic value. The sword comes with a koshirae featuring an Unryu (dragon and clouds) theme on the Fuchi-Kashira and a dragon-wrapped Tsuka.

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
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→

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Description

This unsigned double-edged Tsurugi is attributed to Yamato Koken, a general term for swords made in the Yamato style before the Nanbokucho period. It is certified as Hozon Token by the NBTHK, indicating its authenticity and artistic value. The sword comes with a koshirae featuring an Unryu (dragon and clouds) theme on the Fuchi-Kashira and a dragon-wrapped Tsuka.

NihontoWatch MonNihontoWatch
MarketEncyclopediaKantei
Swords›Antique Japanese Sword Tsurugi Attributed to Yamato Koken NBTHK Hozon Certificate
kenHozon
Yamato Koken

Antique Japanese Sword Tsurugi Attributed to Yamato Koken NBTHK Hozon Certificate

mumei · Yamato · Nanbokucho · nagasa 25.1cm

SOLD
Hozon
Could you name the smith from the blade alone? Today’s kantei →
Yamato Koken — 1 of 22
Yamato Koken — 2 of 22
Yamato Koken — 3 of 22
Yamato Koken — 4 of 22
Yamato Koken — 5 of 22
Yamato Koken — 6 of 22
Yamato Koken — 7 of 22
Yamato Koken — 8 of 22
Yamato Koken — 9 of 22
Yamato Koken — 10 of 22
Yamato Koken — 11 of 22
Yamato Koken — 12 of 22
Yamato Koken — 13 of 22
Yamato Koken — 14 of 22
Yamato Koken — 15 of 22
Yamato Koken — 16 of 22
Yamato Koken — 17 of 22
Yamato Koken — 18 of 22
Yamato Koken — 19 of 22
Yamato Koken — 20 of 22
Yamato Koken — 21 of 22
Yamato Koken — 22 of 22
1 / 22
1 / 22
Yamato Koken — 1 of 22Yamato Koken — 2 of 22Yamato Koken — 3 of 22Yamato Koken — 4 of 22Yamato Koken — 5 of 22Yamato Koken — 6 of 22Yamato Koken — 7 of 22Yamato Koken — 8 of 22Yamato Koken — 9 of 22Yamato Koken — 10 of 22Yamato Koken — 11 of 22Yamato Koken — 12 of 22Yamato Koken — 13 of 22Yamato Koken — 14 of 22Yamato Koken — 15 of 22Yamato Koken — 16 of 22Yamato Koken — 17 of 22Yamato Koken — 18 of 22Yamato Koken — 19 of 22Yamato Koken — 20 of 22Yamato Koken — 21 of 22Yamato Koken — 22 of 22
Hozon
Could you name the smith from the blade alone? Today’s kantei →
Measurements & details
Smith
Yamato Koken
Type
Ken
Period
Nanbokucho
Province
Yamato
Signature
Unsigned
Measurements
Nagasa 25.1cm
Description

This unsigned double-edged Tsurugi is attributed to Yamato Koken, a general term for swords made in the Yamato style before the Nanbokucho period. It is certified as Hozon Token by the NBTHK, indicating its authenticity and artistic value. The sword comes with a koshirae featuring an Unryu (dragon and clouds) theme on the Fuchi-Kashira and a dragon-wrapped Tsuka.

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
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 from the Yamato school

Aoi Art
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Katana - Jūyō - by Taima School - Mumei (attributed to Den Taima)Katana - Jūyō - by Taima School - Mumei (attributed to Den Taima)

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Yari - Hozon - by Kanabo School - Katakama Yari: KanaboYari - Hozon - by Kanabo School - Katakama Yari: Kanabo

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¥550,000
Tokka Biz
Hozon
Katana - Hozon - by Monju Kaneyasu - Mutsu no Kami Kaneyasu (Hidari Mutsu)Katana - Hozon - by Monju Kaneyasu - Mutsu no Kami Kaneyasu (Hidari Mutsu)

Katana

ByMonju Kaneyasu
¥650,000

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
Sold
NihontoWatch MonNihontoWatch
Market
Encyclopedia
Kantei
NihontoWatch MonNihontoWatch
Market
Encyclopedia
Kantei