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Description

This is a katana made by Sou Tsutomu from Chikushu (Fukuoka) during the Showa era (1973). The blade has a length of 72.7cm and features a gunome hamon with konie. It comes with a two-part gold foil habaki and is accompanied by a Hozon Token certificate.

NihontoWatch MonNihontoWatch
MarketEncyclopediaKantei
Swords›Tsutomu›Katana: Chikushu-ju Sou Tsutomu - NBTHK Hozon Token, Mukansa
katanaHozon
Tsutomu

Katana: Chikushu-ju Sou Tsutomu - NBTHK Hozon Token, Mukansa

mei · Showa · nagasa 72.7cm · sori 1.4cm

SOLD
Tsutomu — 1 of 5
Tsutomu — 2 of 5
Tsutomu — 3 of 5
Tsutomu — 4 of 5
Tsutomu — 5 of 5
1 / 5
1 / 5
Tsutomu — 1 of 5Tsutomu — 2 of 5Tsutomu — 3 of 5Tsutomu — 4 of 5Tsutomu — 5 of 5
Measurements & details
Smith
Tsutomu
Type
Katana
Period
Around 1926–1989(Showa)
Province
Fukuoka
Signature
Signed
Measurements
Nagasa 72.7cmSori 1.4cmMotohaba 3.2cmSakihaba 2.6cmKasane 0.76cm
Description

This is a katana made by Sou Tsutomu from Chikushu (Fukuoka) during the Showa era (1973). The blade has a length of 72.7cm and features a gunome hamon with konie. It comes with a two-part gold foil habaki and is accompanied by a Hozon Token certificate.

About the maker

Tsutomu

勉

Fukuoka · around 1926-1989

›
Tsutomu — 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
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
W
World Seiyudo
Established 2008 · 18 yrs on the market
🇯🇵Ships from Japan
›
✓Verified dealerworld-seiyudo.com
✓Ships worldwide✓English supportWire transferPayPalCredit card
Return policy

No cooling-off period or returns; refund only if the purchased sword is proven fake, capped at purchase price (excludes commission sales, accessories, auction items).

View all of World Seiyudo’s listings→View this item on the dealer’s site→

Previously sold by Tsutomu

Katanahanbai
Tokuho
Katana - Tokuho - by Tsutomu - So TsutomuKatana - Tokuho - by Tsutomu - So Tsutomu
Sold

Katana

ByTsutomu
SOLD
Nihonto US
Hozon
Tachi - Hozon - by Tsutomu - Chikushu Sou TsumuTachi - Hozon - by Tsutomu - Chikushu Sou Tsumu
Sold

Tachi

ByTsutomu
SOLD
Eirakudo
Gendaitō
Katana - by Tsutomu - Sou Tsutomu MukansaKatana - by Tsutomu - Sou Tsutomu Mukansa
Sold

Katana

ByTsutomu
SOLD
Eirakudo
Hozon
Wakizashi - Hozon - by Tsutomu - Sou Tsutomu - Hozon TokenWakizashi - Hozon - by Tsutomu - Sou Tsutomu - Hozon Token
Sold

Wakizashi

ByTsutomu
SOLD
World Seiyudo
Tokuho
Wakizashi - Tokuho - by Tsutomu - Chikusyu-sannoju Sou Tsutomu - Tokubetsu Hozon TokenWakizashi - Tokuho - by Tsutomu - Chikusyu-sannoju Sou Tsutomu - Tokubetsu Hozon Token
Sold

Wakizashi

ByTsutomu
SOLD
Eirakudo
Tokuho
Katana - Tokuho - by Tsutomu - Sou Tsutomu - Tokubetsu Hozon TokenKatana - Tokuho - by Tsutomu - Sou Tsutomu - Tokubetsu Hozon Token
Sold

Katana

ByTsutomu
SOLD
Eirakudo
Gendaitō
Katana - by Tsutomu - Sou Tsutomu Mukansa TosyoKatana - by Tsutomu - Sou Tsutomu Mukansa Tosyo
Sold

Katana

ByTsutomu
SOLD
Choshuya
Gendaitō
Wakizashi - by Tsutomu - So TsutomuWakizashi - by Tsutomu - So Tsutomu
Sold

Wakizashi

ByTsutomu
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
TermsPrivacyCookiesAbout

Description

This is a katana made by Sou Tsutomu from Chikushu (Fukuoka) during the Showa era (1973). The blade has a length of 72.7cm and features a gunome hamon with konie. It comes with a two-part gold foil habaki and is accompanied by a Hozon Token certificate.

NihontoWatch MonNihontoWatch
MarketEncyclopediaKantei
Swords›Tsutomu›Katana: Chikushu-ju Sou Tsutomu - NBTHK Hozon Token, Mukansa
katanaHozon
Tsutomu

Katana: Chikushu-ju Sou Tsutomu - NBTHK Hozon Token, Mukansa

mei · Showa · nagasa 72.7cm · sori 1.4cm

SOLD
Tsutomu — 1 of 5
Tsutomu — 2 of 5
Tsutomu — 3 of 5
Tsutomu — 4 of 5
Tsutomu — 5 of 5
1 / 5
1 / 5
Tsutomu — 1 of 5Tsutomu — 2 of 5Tsutomu — 3 of 5Tsutomu — 4 of 5Tsutomu — 5 of 5
Measurements & details
Smith
Tsutomu
Type
Katana
Period
Around 1926–1989(Showa)
Province
Fukuoka
Signature
Signed
Measurements
Nagasa 72.7cmSori 1.4cmMotohaba 3.2cmSakihaba 2.6cmKasane 0.76cm
Description

This is a katana made by Sou Tsutomu from Chikushu (Fukuoka) during the Showa era (1973). The blade has a length of 72.7cm and features a gunome hamon with konie. It comes with a two-part gold foil habaki and is accompanied by a Hozon Token certificate.

About the maker

Tsutomu

勉

Fukuoka · around 1926-1989

›
Tsutomu — 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
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
W
World Seiyudo
Established 2008 · 18 yrs on the market
🇯🇵Ships from Japan
›
✓Verified dealerworld-seiyudo.com
✓Ships worldwide✓English supportWire transferPayPalCredit card
Return policy

No cooling-off period or returns; refund only if the purchased sword is proven fake, capped at purchase price (excludes commission sales, accessories, auction items).

View all of World Seiyudo’s listings→View this item on the dealer’s site→

Previously sold by Tsutomu

Katanahanbai
Tokuho
Katana - Tokuho - by Tsutomu - So TsutomuKatana - Tokuho - by Tsutomu - So Tsutomu
Sold

Katana

ByTsutomu
SOLD
Nihonto US
Hozon
Tachi - Hozon - by Tsutomu - Chikushu Sou TsumuTachi - Hozon - by Tsutomu - Chikushu Sou Tsumu
Sold

Tachi

ByTsutomu
SOLD
Eirakudo
Gendaitō
Katana - by Tsutomu - Sou Tsutomu MukansaKatana - by Tsutomu - Sou Tsutomu Mukansa
Sold

Katana

ByTsutomu
SOLD
Eirakudo
Hozon
Wakizashi - Hozon - by Tsutomu - Sou Tsutomu - Hozon TokenWakizashi - Hozon - by Tsutomu - Sou Tsutomu - Hozon Token
Sold

Wakizashi

ByTsutomu
SOLD
World Seiyudo
Tokuho
Wakizashi - Tokuho - by Tsutomu - Chikusyu-sannoju Sou Tsutomu - Tokubetsu Hozon TokenWakizashi - Tokuho - by Tsutomu - Chikusyu-sannoju Sou Tsutomu - Tokubetsu Hozon Token
Sold

Wakizashi

ByTsutomu
SOLD
Eirakudo
Tokuho
Katana - Tokuho - by Tsutomu - Sou Tsutomu - Tokubetsu Hozon TokenKatana - Tokuho - by Tsutomu - Sou Tsutomu - Tokubetsu Hozon Token
Sold

Katana

ByTsutomu
SOLD
Eirakudo
Gendaitō
Katana - by Tsutomu - Sou Tsutomu Mukansa TosyoKatana - by Tsutomu - Sou Tsutomu Mukansa Tosyo
Sold

Katana

ByTsutomu
SOLD
Choshuya
Gendaitō
Wakizashi - by Tsutomu - So TsutomuWakizashi - by Tsutomu - So Tsutomu
Sold

Wakizashi

ByTsutomu
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
TermsPrivacyCookiesAbout
NihontoWatch Mon

NihontoWatch

Market
Encyclopedia
Kantei
NihontoWatch Mon

NihontoWatch

Market
Encyclopedia
Kantei