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Description

This katana is a work by Inoue Masakuni, a smith who resided in Sumoto, Awaji, and was active around the Keio period (1865-1868) at the end of the Edo era. He was skilled in forging in the Soshu, Yamato, and Mino traditions. The blade comes with a焦茶塗鞘打刀拵 (dark brown lacquered uchigatana koshirae) and is accompanied by an NBTHK Hozon Token certificate.

Certificate Reading

Certificate reading — 銘 井上正國作

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Swords›Masakuni›Katana: Inoue Masakuni (Awaji, Keio Period)
katanaHozon
Masakuni

Katana: Inoue Masakuni (Awaji, Keio Period)

mei · Shin-shinto · nagasa 71.2cm · sori 1.2cm

¥580,000
Visit seller website →
Masakuni (正國) · Shin-shinto2 works for sale →
KatanaHozon
Could you name the smith from the blade alone? Today’s kantei →
Masakuni — 1 of 3
Masakuni — 2 of 3
Masakuni — 3 of 3
1 / 3
1 / 3
Masakuni — 1 of 3Masakuni — 2 of 3Masakuni — 3 of 3
Masakuni (正國) · Shin-shinto2 works for sale →
KatanaHozon
Could you name the smith from the blade alone? Today’s kantei →
Measurements & details
Smith
Masakuni
Type
Katana
Period
Around 1865–1868(Keio)
Province
Awaji
Signature
Signed
Measurements
Nagasa 71.2cmSori 1.2cmMotohaba 3.13cmSakihaba 2.22cmKasane 0.86cm
Description

This katana is a work by Inoue Masakuni, a smith who resided in Sumoto, Awaji, and was active around the Keio period (1865-1868) at the end of the Edo era. He was skilled in forging in the Soshu, Yamato, and Mino traditions. The blade comes with a焦茶塗鞘打刀拵 (dark brown lacquered uchigatana koshirae) and is accompanied by an NBTHK Hozon Token certificate.

About the maker

Masakuni

正國

Awaji · around 1865-1868

2 pieces on the market now

›
2 works by Masakuni on the market→
Masakuni — full profile

Study this maker →

Historical context

Bakumatsu: the last war market

›

Perry’s arrival in 1853 unraveled the Tokugawa peace and created the first mass demand for working swords in two centuries. Kiyomaro, called the Masamune of Yotsuya, died on its eve; Munetsugu and Yukihide carried the boom to the end.

Bakumatsu: the last war market →

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.

Signed: 井上正國作 (Masakuni)
As written on the certificate
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
E
E-sword
🇯🇵Ships from Japan
›
✓Verified dealere-sword.jp
Settles in JPY
✓Ships worldwide✓English supportWire transferPayPalCredit card
Return policy

Cooling-off (returns or exchanges) is accepted within 3 days of the item's arrival. Return shipping and refund transfer fees are the customer's responsibility. Fees other than the item price (transfer fees, credit card fees, etc.) cannot be refunded. Returns and refunds are not available for overseas destinations.

View all of E-sword’s listings→View this item on the dealer’s site→

More works by Masakuni

View all →
Touken Komachi
Hozon
Tanto - Hozon - by Masakuni - Inoue MasakuniTanto - Hozon - by Masakuni - Inoue Masakuni

Tantō

ByMasakuni
¥150,000

Swords

  • Katana
  • Wakizashi
  • Tantō
  • Tachi
  • Naginata
  • Yari
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  • Samurai Swords

Fittings

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  • Fuchi-Kashira
  • Kozuka
  • Menuki
  • Sword Guards (Tsuba)

Armor

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  • Samurai Armor
  • All Samurai Armor

By Certification

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  • Jūyō
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Resources

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Nihontowatch© 2026
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¥580,000

View on E-sword

Description

This katana is a work by Inoue Masakuni, a smith who resided in Sumoto, Awaji, and was active around the Keio period (1865-1868) at the end of the Edo era. He was skilled in forging in the Soshu, Yamato, and Mino traditions. The blade comes with a焦茶塗鞘打刀拵 (dark brown lacquered uchigatana koshirae) and is accompanied by an NBTHK Hozon Token certificate.

Certificate Reading

Certificate reading — 銘 井上正國作

NihontoWatch MonNihontoWatch
MarketEncyclopediaKantei
Swords›Masakuni›Katana: Inoue Masakuni (Awaji, Keio Period)
katanaHozon
Masakuni

Katana: Inoue Masakuni (Awaji, Keio Period)

mei · Shin-shinto · nagasa 71.2cm · sori 1.2cm

¥580,000
Visit seller website →
Masakuni (正國) · Shin-shinto2 works for sale →
KatanaHozon
Could you name the smith from the blade alone? Today’s kantei →
Masakuni — 1 of 3
Masakuni — 2 of 3
Masakuni — 3 of 3
1 / 3
1 / 3
Masakuni — 1 of 3Masakuni — 2 of 3Masakuni — 3 of 3
Masakuni (正國) · Shin-shinto2 works for sale →
KatanaHozon
Could you name the smith from the blade alone? Today’s kantei →
Measurements & details
Smith
Masakuni
Type
Katana
Period
Around 1865–1868(Keio)
Province
Awaji
Signature
Signed
Measurements
Nagasa 71.2cmSori 1.2cmMotohaba 3.13cmSakihaba 2.22cmKasane 0.86cm
Description

This katana is a work by Inoue Masakuni, a smith who resided in Sumoto, Awaji, and was active around the Keio period (1865-1868) at the end of the Edo era. He was skilled in forging in the Soshu, Yamato, and Mino traditions. The blade comes with a焦茶塗鞘打刀拵 (dark brown lacquered uchigatana koshirae) and is accompanied by an NBTHK Hozon Token certificate.

About the maker

Masakuni

正國

Awaji · around 1865-1868

2 pieces on the market now

›
2 works by Masakuni on the market→
Masakuni — full profile

Study this maker →

Historical context

Bakumatsu: the last war market

›

Perry’s arrival in 1853 unraveled the Tokugawa peace and created the first mass demand for working swords in two centuries. Kiyomaro, called the Masamune of Yotsuya, died on its eve; Munetsugu and Yukihide carried the boom to the end.

Bakumatsu: the last war market →

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.

Signed: 井上正國作 (Masakuni)
As written on the certificate
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
E
E-sword
🇯🇵Ships from Japan
›
✓Verified dealere-sword.jp
Settles in JPY
✓Ships worldwide✓English supportWire transferPayPalCredit card
Return policy

Cooling-off (returns or exchanges) is accepted within 3 days of the item's arrival. Return shipping and refund transfer fees are the customer's responsibility. Fees other than the item price (transfer fees, credit card fees, etc.) cannot be refunded. Returns and refunds are not available for overseas destinations.

View all of E-sword’s listings→View this item on the dealer’s site→

More works by Masakuni

View all →
Touken Komachi
Hozon
Tanto - Hozon - by Masakuni - Inoue MasakuniTanto - Hozon - by Masakuni - Inoue Masakuni

Tantō

ByMasakuni
¥150,000

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

¥580,000

View on E-sword
NihontoWatch MonNihontoWatch
Market
Encyclopedia
Kantei
NihontoWatch MonNihontoWatch
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Encyclopedia
Kantei