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Description

This katana by Ecchu-no-kami Masatoshi, the fourth son of Seki Kanemichi, is a robust blade with a wide mihaba and deep curvature. It features a well-forged ko-itame hada and a nie-deki gunome-midare hamon. The sword comes with both shirasaya and a complete koshirae, and is accompanied by an NBTHK Hozon certificate.

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Swords›Ishido›Kishu Ishido›Masatoshi›Katana: Ecchu-no-kami Masatoshi (NBTHK Hozon Token)
katanaHozon
Kishu Ishido Masatoshi

Katana: Ecchu-no-kami Masatoshi (NBTHK Hozon Token)

mei · Edo · nagasa 67cm · sori 1cm

¥1,150,000
Starting bid
View auction →
Kishu Ishido Masatoshi (正俊) · Edo2 works for sale →
KatanaHozon
Could you name the smith from the blade alone? Today’s kantei →
Kishu Ishido Masatoshi — 1 of 6
Kishu Ishido Masatoshi — 2 of 6
Kishu Ishido Masatoshi — 3 of 6
Kishu Ishido Masatoshi — 4 of 6
Kishu Ishido Masatoshi — 5 of 6
Kishu Ishido Masatoshi — 6 of 6
1 / 6
1 / 6
Kishu Ishido Masatoshi — 1 of 6Kishu Ishido Masatoshi — 2 of 6Kishu Ishido Masatoshi — 3 of 6Kishu Ishido Masatoshi — 4 of 6Kishu Ishido Masatoshi — 5 of 6Kishu Ishido Masatoshi — 6 of 6
Kishu Ishido Masatoshi (正俊) · Edo2 works for sale →
KatanaHozon
Could you name the smith from the blade alone? Today’s kantei →
Measurements & details
Smith
Kishu Ishido Masatoshi
Type
Katana
School
Kishu Ishido
Period
Edo(Edo)
Signature
Signed(100% of this smith's designated works are signed)
Measurements
Nagasa 67cmSori 1cmMotohaba 3.37cmSakihaba 2.26cmKasane 0.71cmWeight 783g
Description

This katana by Ecchu-no-kami Masatoshi, the fourth son of Seki Kanemichi, is a robust blade with a wide mihaba and deep curvature. It features a well-forged ko-itame hada and a nie-deki gunome-midare hamon. The sword comes with both shirasaya and a complete koshirae, and is accompanied by an NBTHK Hozon certificate.

About the maker

Masatoshi

正俊

Shinto · Kii

2 pieces on the market now

›

Historical importance

Where Masatoshi stands among comparable artisans: across all of nihontō, and within tradition, era, and period. The tiers (Foremost · Leading · Major · Notable) weigh official designations from the NBTHK and Japan's Agency for Cultural Affairs, together with historical honors of lasting repute such as the Sansaku and Meibutsu-chō.

随一
Foremost
屈指
Leading
有数
Major
著名
Notable

Select a lens to see how it's measured.

Designation record
1 designated works
Jūyō
1
2 works by Masatoshi on the market→
Masatoshi — full profileShinto school

Dated Works

Years he was demonstrably active, proven by signed-and-dated blades

Active period
1644
1 of 1 designated works carry a date

Study this maker →

About the school

Kishu Ishido

紀州石堂

Shinto · Kii

4 pieces on the market now

›
1 recorded smiths1 designated works
Leading smiths
SmithEraDesignated
Masatoshi正俊—1
Explore the Kishu Ishido school →

Historical context

The Edo period (1615 to 1868)

›

Edo was the sword’s age of connoisseurship: the Hon’ami appraisers, the shogunal register of famous blades of 1719, and a thriving literature turned the sword into an object of study even as it ceased to be drawn in war.

The Edo period (1615 to 1868) →

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→

More works by Kishu Ishido Masatoshi

View all →
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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

Starting Bid

¥1,150,000

View on Aoi Art

Description

This katana by Ecchu-no-kami Masatoshi, the fourth son of Seki Kanemichi, is a robust blade with a wide mihaba and deep curvature. It features a well-forged ko-itame hada and a nie-deki gunome-midare hamon. The sword comes with both shirasaya and a complete koshirae, and is accompanied by an NBTHK Hozon certificate.

NihontoWatch MonNihontoWatch
MarketEncyclopediaKantei
Swords›Ishido›Kishu Ishido›Masatoshi›Katana: Ecchu-no-kami Masatoshi (NBTHK Hozon Token)
katanaHozon
Kishu Ishido Masatoshi

Katana: Ecchu-no-kami Masatoshi (NBTHK Hozon Token)

mei · Edo · nagasa 67cm · sori 1cm

¥1,150,000
Starting bid
View auction →
Kishu Ishido Masatoshi (正俊) · Edo2 works for sale →
KatanaHozon
Could you name the smith from the blade alone? Today’s kantei →
Kishu Ishido Masatoshi — 1 of 6
Kishu Ishido Masatoshi — 2 of 6
Kishu Ishido Masatoshi — 3 of 6
Kishu Ishido Masatoshi — 4 of 6
Kishu Ishido Masatoshi — 5 of 6
Kishu Ishido Masatoshi — 6 of 6
1 / 6
1 / 6
Kishu Ishido Masatoshi — 1 of 6Kishu Ishido Masatoshi — 2 of 6Kishu Ishido Masatoshi — 3 of 6Kishu Ishido Masatoshi — 4 of 6Kishu Ishido Masatoshi — 5 of 6Kishu Ishido Masatoshi — 6 of 6
Kishu Ishido Masatoshi (正俊) · Edo2 works for sale →
KatanaHozon
Could you name the smith from the blade alone? Today’s kantei →
Measurements & details
Smith
Kishu Ishido Masatoshi
Type
Katana
School
Kishu Ishido
Period
Edo(Edo)
Signature
Signed(100% of this smith's designated works are signed)
Measurements
Nagasa 67cmSori 1cmMotohaba 3.37cmSakihaba 2.26cmKasane 0.71cmWeight 783g
Description

This katana by Ecchu-no-kami Masatoshi, the fourth son of Seki Kanemichi, is a robust blade with a wide mihaba and deep curvature. It features a well-forged ko-itame hada and a nie-deki gunome-midare hamon. The sword comes with both shirasaya and a complete koshirae, and is accompanied by an NBTHK Hozon certificate.

About the maker

Masatoshi

正俊

Shinto · Kii

2 pieces on the market now

›

Historical importance

Where Masatoshi stands among comparable artisans: across all of nihontō, and within tradition, era, and period. The tiers (Foremost · Leading · Major · Notable) weigh official designations from the NBTHK and Japan's Agency for Cultural Affairs, together with historical honors of lasting repute such as the Sansaku and Meibutsu-chō.

随一
Foremost
屈指
Leading
有数
Major
著名
Notable

Select a lens to see how it's measured.

Designation record
1 designated works
Jūyō
1
2 works by Masatoshi on the market→
Masatoshi — full profileShinto school

Dated Works

Years he was demonstrably active, proven by signed-and-dated blades

Active period
1644
1 of 1 designated works carry a date

Study this maker →

About the school

Kishu Ishido

紀州石堂

Shinto · Kii

4 pieces on the market now

›
1 recorded smiths1 designated works
Leading smiths
SmithEraDesignated
Masatoshi正俊—1
Explore the Kishu Ishido school →

Historical context

The Edo period (1615 to 1868)

›

Edo was the sword’s age of connoisseurship: the Hon’ami appraisers, the shogunal register of famous blades of 1719, and a thriving literature turned the sword into an object of study even as it ceased to be drawn in war.

The Edo period (1615 to 1868) →

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→

More works by Kishu Ishido Masatoshi

View all →
Nakano Kosen
Wakizashi - by Kishu Ishido Masatoshi - MasatoshiWakizashi - by Kishu Ishido Masatoshi - Masatoshi

Wakizashi

ByKishu Ishido Masatoshi
¥200,000

Previously sold by Kishu Ishido Masatoshi

View all →
Samurai Store
Katana - by Kishu Ishido Masatoshi - Antique Katana sword in Ornate MountingKatana - by Kishu Ishido Masatoshi - Antique Katana sword in Ornate Mounting
Sold

Katana

ByKishu Ishido Masatoshi
SOLD
Token Hasegawa
Yari - by Kishu Ishido Masatoshi - Omi Yari (Large Spear) with Mei: Kawachi no Kami (rest unknown), with Koshirae, 31cm [YY-01] (Sold)Yari - by Kishu Ishido Masatoshi - Omi Yari (Large Spear) with Mei: Kawachi no Kami (rest unknown), with Koshirae, 31cm [YY-01] (Sold)
Sold

Yari

ByKishu Ishido Masatoshi
SOLD

More from the Kishu Ishido school

View all →
Yakiba
Hozon
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ByKishu Ishido School
Starting Bid¥350,000

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View all →
Aoi Art
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Nihonto Australia
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¥1,980,000
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ByIshido Yasutsuna
¥770,000
Token-Net
Jūyō
Katana - Jūyō - by Ishido Korekazu - Fujiwara Korekazu, August, Bunkyu 2Katana - Jūyō - by Ishido Korekazu - Fujiwara Korekazu, August, Bunkyu 2

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¥5,500,000
Toushin
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Katana

ByIshido Tsunahiro
¥990,000

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

Starting Bid

¥1,150,000

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