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Description

This is a katana by Gassan Sadakazu, a Living National Treasure, dated 1989. It features a long and magnificent form with a Soshu-den style hamon, including notare, gunome, kinsuji, and sunagashi. The blade also showcases Sadakazu's masterful carvings, making it a superb example of his work.

NihontoWatch MonNihontoWatch
MarketEncyclopediaKantei
Swords›Sadakazu›Shinto
katanaTokubetsu Hozon
Gassan Sadakazu

Shinto

mei · Gendaito · nagasa 77.8cm · sori 2.4cm

SOLD
Gassan Sadakazu — 1 of 4
Gassan Sadakazu — 2 of 4
Gassan Sadakazu — 3 of 4
Gassan Sadakazu — 4 of 4
1 / 4
1 / 4
Gassan Sadakazu — 1 of 4Gassan Sadakazu — 2 of 4Gassan Sadakazu — 3 of 4Gassan Sadakazu — 4 of 4
Measurements & details
Smith
Gassan Sadakazu
Type
Katana
Period
Around 1907–1995(Showa)
Province
Osaka
Signature
Signed
Measurements
Nagasa 77.8cmSori 2.4cmMotohaba 3.4cmSakihaba 2.5cmKasane 0.8cm
Description

This is a katana by Gassan Sadakazu, a Living National Treasure, dated 1989. It features a long and magnificent form with a Soshu-den style hamon, including notare, gunome, kinsuji, and sunagashi. The blade also showcases Sadakazu's masterful carvings, making it a superb example of his work.

About the maker

Sadakazu

貞一

Yamato · around 1907-1995

Tōken Taikan top 49%

5 pieces on the market now

›
5 works by Sadakazu on the market→
Sadakazu — full profile

Historical context

The twentieth century nearly killed the craft twice: wartime distortion, then the occupation ban. The NBTHK’s founding in 1948 and licensed forging from 1953 rebuilt the sword as an art, crowned by Living National Treasures and the mukansa rank.

Shōwa to the present: destruction and revival →

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
I
Iida Koendo
Established 1880 · 146 yrs on the market
🇯🇵Ships from Japan
›
✓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.

View all of Iida Koendo’s listings→View this item on the dealer’s site→

More works by Gassan Sadakazu

View all →
Aoi Art
Tokuho
Katana - Tokuho - by Gassan Sadakazu - Osaka Gassan Sadakazu Saku (stamped) Meiji 30 Nen 8 Gatsu Hi Motte Soushu Kamakura Masamune DenKatana - Tokuho - by Gassan Sadakazu - Osaka Gassan Sadakazu Saku (stamped) Meiji 30 Nen 8 Gatsu Hi Motte Soushu Kamakura Masamune Den

Katana

ByGassan Sadakazu
¥2,500,000
Aoi Art
Tokuho
Tanto - Tokuho - by Gassan Sadakazu - Imperial Artist Gassan Sadakazu (Spring, 1914)Tanto - Tokuho - by Gassan Sadakazu - Imperial Artist Gassan Sadakazu (Spring, 1914)

Tantō

ByGassan Sadakazu
Starting Bid¥850,000
Shoubudou
Hozon
Tanto - Hozon - by Gassan Sadakazu - Tanto by Imperial Household Artist Gassan Sadakazu, Winter 1908Tanto - Hozon - by Gassan Sadakazu - Tanto by Imperial Household Artist Gassan Sadakazu, Winter 1908

Tantō

ByGassan Sadakazu
¥1,000,000
Aoi Art
Hozon
Tanto - Hozon - by Gassan Sadakazu - Gassan Sadakazu (Kao) Meiji 5 (1872)Tanto - Hozon - by Gassan Sadakazu - Gassan Sadakazu (Kao) Meiji 5 (1872)

Tantō

ByGassan Sadakazu
¥800,000
Nipponto
Tokuho
Tanto - Tokuho - by Gassan Sadakazu - Tanto by Gassan Sadaichi of Washu Miwayama, Living National Treasure, Showa 44 (1969)Tanto - Tokuho - by Gassan Sadakazu - Tanto by Gassan Sadaichi of Washu Miwayama, Living National Treasure, Showa 44 (1969)

Tantō

ByGassan Sadakazu
Ask

Previously sold by Gassan Sadakazu

Choshuya
Gendaitō
Tanto - by Gassan Sadakazu - Japanese Sword for Sale | Ginza Choshuya | Tanto by Gassan Sadakazu (with Kao) - Auspicious Day in August, Showa 54Tanto - by Gassan Sadakazu - Japanese Sword for Sale | Ginza Choshuya | Tanto by Gassan Sadakazu (with Kao) - Auspicious Day in August, Showa 54
Sold

Tantō

ByGassan Sadakazu
SOLD
Choshuya
Tokuho
Wakizashi - Tokuho - by Gassan Sadakazu - Hira-zukuri Wakizashi: Gassan Minamoto no Sadakazu with Carving (Kao)Wakizashi - Tokuho - by Gassan Sadakazu - Hira-zukuri Wakizashi: Gassan Minamoto no Sadakazu with Carving (Kao)
Sold

Wakizashi

ByGassan Sadakazu
SOLD
Giheiya
Tokuho
Tanto - Tokuho - by Gassan Sadakazu - Tokubetsu Hozon Token: Living National Treasure Gassan Sadaichi, carving and work, Yamato Miwayama Saiigawa, Tanto with Aikuchi KoshiraeTanto - Tokuho - by Gassan Sadakazu - Tokubetsu Hozon Token: Living National Treasure Gassan Sadaichi, carving and work, Yamato Miwayama Saiigawa, Tanto with Aikuchi Koshirae
Sold

Tantō

ByGassan Sadakazu
SOLD
Aoi Art
Tokuho
Tanto - Tokuho - by Gassan Sadakazu - Gassan SadakazuTanto - Tokuho - by Gassan Sadakazu - Gassan Sadakazu
Sold

Tantō

ByGassan Sadakazu
SOLD
Choshuya
Gendaitō
Tanto - by Gassan Sadakazu - Gassan SadakazuTanto - by Gassan Sadakazu - Gassan Sadakazu
Sold

Tantō

ByGassan Sadakazu
SOLD
Iida Koendo
Tokuho
Katana - Tokuho - by Gassan Sadakazu - Shinto Katana: Imperial Household Artist Gassan Sadakazu, Carving by the Same Hand, August 1910Katana - Tokuho - by Gassan Sadakazu - Shinto Katana: Imperial Household Artist Gassan Sadakazu, Carving by the Same Hand, August 1910
Sold

Katana

ByGassan Sadakazu
SOLD
Unique Japan
Gendaitō
Wakizashi - by Gassan Sadakazu - A Gassan Sadakazu WakizashiWakizashi - by Gassan Sadakazu - A Gassan Sadakazu Wakizashi
Sold

Wakizashi

ByGassan Sadakazu
SOLD
Samurai Museum
Tokuho
Katana - Tokuho - by Gassan Sadakazu - Modern Japanese Sword Katana Signed by Gassan Sadakazu with NBTHK Tokubetsu Hozon CertificateKatana - Tokuho - by Gassan Sadakazu - Modern Japanese Sword Katana Signed by Gassan Sadakazu with NBTHK Tokubetsu Hozon Certificate
Sold

Katana

ByGassan Sadakazu
SOLD

Swords

  • Katana
  • Wakizashi
  • Tantō
  • Tachi
  • Naginata
  • Yari

Fittings

  • Tsuba
  • Fuchi-Kashira
  • Kozuka
  • Menuki

Armor

  • Kabuto
  • Samurai Armor

By Certification

  • Tokujū
  • Jūyō
  • Tokuho
  • Hozon

Resources

  • Dealer Directory
  • Artist Directory
  • The Daily Kantei
  • Glossary
  • Browse All
Nihontowatch© 2026
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Description

This is a katana by Gassan Sadakazu, a Living National Treasure, dated 1989. It features a long and magnificent form with a Soshu-den style hamon, including notare, gunome, kinsuji, and sunagashi. The blade also showcases Sadakazu's masterful carvings, making it a superb example of his work.

NihontoWatch MonNihontoWatch
MarketEncyclopediaKantei
Swords›Sadakazu›Shinto
katanaTokubetsu Hozon
Gassan Sadakazu

Shinto

mei · Gendaito · nagasa 77.8cm · sori 2.4cm

SOLD
Gassan Sadakazu — 1 of 4
Gassan Sadakazu — 2 of 4
Gassan Sadakazu — 3 of 4
Gassan Sadakazu — 4 of 4
1 / 4
1 / 4
Gassan Sadakazu — 1 of 4Gassan Sadakazu — 2 of 4Gassan Sadakazu — 3 of 4Gassan Sadakazu — 4 of 4
Measurements & details
Smith
Gassan Sadakazu
Type
Katana
Period
Around 1907–1995(Showa)
Province
Osaka
Signature
Signed
Measurements
Nagasa 77.8cmSori 2.4cmMotohaba 3.4cmSakihaba 2.5cmKasane 0.8cm
Description

This is a katana by Gassan Sadakazu, a Living National Treasure, dated 1989. It features a long and magnificent form with a Soshu-den style hamon, including notare, gunome, kinsuji, and sunagashi. The blade also showcases Sadakazu's masterful carvings, making it a superb example of his work.

About the maker

Sadakazu

貞一

Yamato · around 1907-1995

Tōken Taikan top 49%

5 pieces on the market now

›
5 works by Sadakazu on the market→
Sadakazu — full profile

Historical context

The twentieth century nearly killed the craft twice: wartime distortion, then the occupation ban. The NBTHK’s founding in 1948 and licensed forging from 1953 rebuilt the sword as an art, crowned by Living National Treasures and the mukansa rank.

Shōwa to the present: destruction and revival →

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
I
Iida Koendo
Established 1880 · 146 yrs on the market
🇯🇵Ships from Japan
›
✓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.

View all of Iida Koendo’s listings→View this item on the dealer’s site→

More works by Gassan Sadakazu

View all →
Aoi Art
Tokuho
Katana - Tokuho - by Gassan Sadakazu - Osaka Gassan Sadakazu Saku (stamped) Meiji 30 Nen 8 Gatsu Hi Motte Soushu Kamakura Masamune DenKatana - Tokuho - by Gassan Sadakazu - Osaka Gassan Sadakazu Saku (stamped) Meiji 30 Nen 8 Gatsu Hi Motte Soushu Kamakura Masamune Den

Katana

ByGassan Sadakazu
¥2,500,000
Aoi Art
Tokuho
Tanto - Tokuho - by Gassan Sadakazu - Imperial Artist Gassan Sadakazu (Spring, 1914)Tanto - Tokuho - by Gassan Sadakazu - Imperial Artist Gassan Sadakazu (Spring, 1914)

Tantō

ByGassan Sadakazu
Starting Bid¥850,000
Shoubudou
Hozon
Tanto - Hozon - by Gassan Sadakazu - Tanto by Imperial Household Artist Gassan Sadakazu, Winter 1908Tanto - Hozon - by Gassan Sadakazu - Tanto by Imperial Household Artist Gassan Sadakazu, Winter 1908

Tantō

ByGassan Sadakazu
¥1,000,000
Aoi Art
Hozon
Tanto - Hozon - by Gassan Sadakazu - Gassan Sadakazu (Kao) Meiji 5 (1872)Tanto - Hozon - by Gassan Sadakazu - Gassan Sadakazu (Kao) Meiji 5 (1872)

Tantō

ByGassan Sadakazu
¥800,000
Nipponto
Tokuho
Tanto - Tokuho - by Gassan Sadakazu - Tanto by Gassan Sadaichi of Washu Miwayama, Living National Treasure, Showa 44 (1969)Tanto - Tokuho - by Gassan Sadakazu - Tanto by Gassan Sadaichi of Washu Miwayama, Living National Treasure, Showa 44 (1969)

Tantō

ByGassan Sadakazu
Ask

Previously sold by Gassan Sadakazu

Choshuya
Gendaitō
Tanto - by Gassan Sadakazu - Japanese Sword for Sale | Ginza Choshuya | Tanto by Gassan Sadakazu (with Kao) - Auspicious Day in August, Showa 54Tanto - by Gassan Sadakazu - Japanese Sword for Sale | Ginza Choshuya | Tanto by Gassan Sadakazu (with Kao) - Auspicious Day in August, Showa 54
Sold

Tantō

ByGassan Sadakazu
SOLD
Choshuya
Tokuho
Wakizashi - Tokuho - by Gassan Sadakazu - Hira-zukuri Wakizashi: Gassan Minamoto no Sadakazu with Carving (Kao)Wakizashi - Tokuho - by Gassan Sadakazu - Hira-zukuri Wakizashi: Gassan Minamoto no Sadakazu with Carving (Kao)
Sold

Wakizashi

ByGassan Sadakazu
SOLD
Giheiya
Tokuho
Tanto - Tokuho - by Gassan Sadakazu - Tokubetsu Hozon Token: Living National Treasure Gassan Sadaichi, carving and work, Yamato Miwayama Saiigawa, Tanto with Aikuchi KoshiraeTanto - Tokuho - by Gassan Sadakazu - Tokubetsu Hozon Token: Living National Treasure Gassan Sadaichi, carving and work, Yamato Miwayama Saiigawa, Tanto with Aikuchi Koshirae
Sold

Tantō

ByGassan Sadakazu
SOLD
Aoi Art
Tokuho
Tanto - Tokuho - by Gassan Sadakazu - Gassan SadakazuTanto - Tokuho - by Gassan Sadakazu - Gassan Sadakazu
Sold

Tantō

ByGassan Sadakazu
SOLD
Choshuya
Gendaitō
Tanto - by Gassan Sadakazu - Gassan SadakazuTanto - by Gassan Sadakazu - Gassan Sadakazu
Sold

Tantō

ByGassan Sadakazu
SOLD
Iida Koendo
Tokuho
Katana - Tokuho - by Gassan Sadakazu - Shinto Katana: Imperial Household Artist Gassan Sadakazu, Carving by the Same Hand, August 1910Katana - Tokuho - by Gassan Sadakazu - Shinto Katana: Imperial Household Artist Gassan Sadakazu, Carving by the Same Hand, August 1910
Sold

Katana

ByGassan Sadakazu
SOLD
Unique Japan
Gendaitō
Wakizashi - by Gassan Sadakazu - A Gassan Sadakazu WakizashiWakizashi - by Gassan Sadakazu - A Gassan Sadakazu Wakizashi
Sold

Wakizashi

ByGassan Sadakazu
SOLD
Samurai Museum
Tokuho
Katana - Tokuho - by Gassan Sadakazu - Modern Japanese Sword Katana Signed by Gassan Sadakazu with NBTHK Tokubetsu Hozon CertificateKatana - Tokuho - by Gassan Sadakazu - Modern Japanese Sword Katana Signed by Gassan Sadakazu with NBTHK Tokubetsu Hozon Certificate
Sold

Katana

ByGassan Sadakazu
SOLD

Swords

  • Katana
  • Wakizashi
  • Tantō
  • Tachi
  • Naginata
  • Yari

Fittings

  • Tsuba
  • Fuchi-Kashira
  • Kozuka
  • Menuki

Armor

  • Kabuto
  • Samurai Armor

By Certification

  • Tokujū
  • Jūyō
  • Tokuho
  • Hozon

Resources

  • Dealer Directory
  • Artist Directory
  • The Daily Kantei
  • Glossary
  • Browse All
Nihontowatch© 2026
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NihontoWatch Mon

NihontoWatch

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Encyclopedia
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Market
Encyclopedia
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