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Description

It’s here, it’s here! A masterpiece by Kozuke no Kami Yoshikuni has appeared, the elder brother of Mutsu no Kami Yoshiyuki, who is famous for being the beloved sword of Sakamoto Ryoma. Yoshikuni’s real name was Morishita Magobe. It is said that Ryoma was carrying his famous sword when he was assassinated; that sword, a Mutsu no Kami Yoshiyuki, was taken to Hokkaido by relatives who moved to Kushiro, where it was caught in the Great Kushiro Fire years ago and subsequently went missing. Recently, however, it was rediscovered, underwent *saiha* (re-tempering) and *yakinoshi*, was newly polished, and is now housed in the Kyoto National Museum, causing a massive sensation. This work is by the elder brother of that very smith, Mutsu no Kami Yoshiyuki, who is currently the talk of the town. The brothers Yoshikuni and Yoshiyuki were born in Nakamura, Oshū; they went to Osaka together, became disciples of the first generation Yamato no Kami Yoshimichi, and lived in Fushimi Ryogae-cho in Osaka. Later, both brothers were selected to become smiths for the Tosa Clan and lived in Kusaka Village in Tosa. This sword was made around the Kanbun era (1661) (363 years ago). As for the *sugata* of this sword, it was originally a long blade of about 2 *shaku* 4 *sun* 5 *bu*, but a later samurai shortened it to match his own swordsmanship style to use as his *sashiryo*. It displays a *Kanbun Shinto sugata* with a difference between the *motohaba* and *sakihaba* and a shallow *sori*, similar to Kotetsu; this style was suitable for the thrusting techniques (*tsuki*) that were popular in *dojo* at the time. The *jigane* is *itame-hada* mixed with *masame*. Regarding the *hamon*, as you can see, it is a magnificent and famous *sudare-ba*, executed even more skillfully than his master Yamato no Kami Yoshimichi. Because this sword has just appeared on the market for the first time in "raw" condition, there are some light spots of rust, but that is part of its charm. Accordingly, we are offering it at a special bargain price. Please enjoy this precious sword by the elder brother of Mutsu no Kami Yoshiyuki, the smith of Sakamoto Ryoma’s beloved blade who is so popular today.

NihontoWatch MonNihontoWatch
MarketEncyclopediaKantei
Swords›Yoshikuni›Katana by Settsu Sumiyoshi Yoshikuni
katanaHozon
Yoshikuni

Katana by Settsu Sumiyoshi Yoshikuni

Edo · nagasa 67.9cm · sori 0.3cm

¥650,000
Visit seller website →
Yoshikuni — 1 of 22
Yoshikuni — 2 of 22
Yoshikuni — 3 of 22
Yoshikuni — 4 of 22
Yoshikuni — 5 of 22
Yoshikuni — 6 of 22
Yoshikuni — 7 of 22
Yoshikuni — 8 of 22
Yoshikuni — 9 of 22
Yoshikuni — 10 of 22
Yoshikuni — 11 of 22
Yoshikuni — 12 of 22
Yoshikuni — 13 of 22
Yoshikuni — 14 of 22
Yoshikuni — 15 of 22
Yoshikuni — 16 of 22
Yoshikuni — 17 of 22
Yoshikuni — 18 of 22
Yoshikuni — 19 of 22
Yoshikuni — 20 of 22
Yoshikuni — 21 of 22
Yoshikuni — 22 of 22
1 / 22
1 / 22
Yoshikuni — 1 of 22Yoshikuni — 2 of 22Yoshikuni — 3 of 22Yoshikuni — 4 of 22Yoshikuni — 5 of 22Yoshikuni — 6 of 22Yoshikuni — 7 of 22Yoshikuni — 8 of 22Yoshikuni — 9 of 22Yoshikuni — 10 of 22Yoshikuni — 11 of 22Yoshikuni — 12 of 22Yoshikuni — 13 of 22Yoshikuni — 14 of 22Yoshikuni — 15 of 22Yoshikuni — 16 of 22Yoshikuni — 17 of 22Yoshikuni — 18 of 22Yoshikuni — 19 of 22Yoshikuni — 20 of 22Yoshikuni — 21 of 22Yoshikuni — 22 of 22
Measurements & details
Smith
Yoshikuni
Type
Katana
Period
Around 1661–1673(Kanbun)
Province
摂津
Measurements
Nagasa 67.9cmSori 0.3cmMotohaba 3.03cmSakihaba 1.98cmKasane 0.69cm
Description

It’s here, it’s here! A masterpiece by Kozuke no Kami Yoshikuni has appeared, the elder brother of Mutsu no Kami Yoshiyuki, who is famous for being the beloved sword of Sakamoto Ryoma. Yoshikuni’s real name was Morishita Magobe. It is said that Ryoma was carrying his famous sword when he was assassinated; that sword, a Mutsu no Kami Yoshiyuki, was taken to Hokkaido by relatives who moved to Kushiro, where it was caught in the Great Kushiro Fire years ago and subsequently went missing. Recently, however, it was rediscovered, underwent saiha (re-tempering) and yakinoshi, was newly polished, and is now housed in the Kyoto National Museum, causing a massive sensation. This work is by the elder brother of that very smith, Mutsu no Kami Yoshiyuki, who is currently the talk of the town. The brothers Yoshikuni and Yoshiyuki were born in Nakamura, Oshū; they went to Osaka together, became disciples of the first generation Yamato no Kami Yoshimichi, and lived in Fushimi Ryogae-cho in Osaka. Later, both brothers were selected to become smiths for the Tosa Clan and lived in Kusaka Village in Tosa.

This sword was made around the Kanbun era (1661) (363 years ago). As for the sugata of this sword, it was originally a long blade of about 2 shaku 4 sun 5 bu, but a later samurai shortened it to match his own swordsmanship style to use as his sashiryo. It displays a Kanbun Shinto sugata with a difference between the motohaba and sakihaba and a shallow sori, similar to Kotetsu; this style was suitable for the thrusting techniques (tsuki) that were popular in dojo at the time. The jigane is itame-hada mixed with masame. Regarding the hamon, as you can see, it is a magnificent and famous sudare-ba, executed even more skillfully than his master Yamato no Kami Yoshimichi.

Because this sword has just appeared on the market for the first time in "raw" condition, there are some light spots of rust, but that is part of its charm. Accordingly, we are offering it at a special bargain price. Please enjoy this precious sword by the elder brother of Mutsu no Kami Yoshiyuki, the smith of Sakamoto Ryoma’s beloved blade who is so popular today.

About the maker

Yoshikuni

吉国

Settsu · around 1661-1673

3 pieces on the market now

›
3 works by Yoshikuni on the market→
Yoshikuni — full profile

Historical context

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
N
Nipponto
Established 1953 · 73 yrs on the market
🇯🇵Ships from Japan
›
✓Verified dealernipponto.co.jp
Settles in JPY
✓Ships worldwide✓English supportPayPalCredit card
Return policy

For returns due to customer circumstances, the cost is the customer's responsibility. For returns due to our mis-shipment or a defective item, we bear the cost.

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

More works by Yoshikuni

View all →
Samurai Shokai
Hozon
Wakizashi - Hozon - by Yoshikuni - Enjyu Yoshikuni - Tenmei 4th Year, 3rd MonthWakizashi - Hozon - by Yoshikuni - Enjyu Yoshikuni - Tenmei 4th Year, 3rd Month

Wakizashi

ByYoshikuni
¥500,000
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Katana - by Yoshikuni - Seki Fujiwarano YoshikuniKatana - by Yoshikuni - Seki Fujiwarano Yoshikuni

Katana

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¥650,000

Previously sold by Yoshikuni

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SOLD

Swords

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  • Wakizashi
  • Tantō
  • Tachi
  • Naginata
  • Yari

Fittings

  • Tsuba
  • Fuchi-Kashira
  • Kozuka
  • Menuki

Armor

  • Kabuto
  • Samurai Armor

By Certification

  • Tokujū
  • Jūyō
  • Tokuho
  • Hozon

Resources

  • Dealer Directory
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  • The Daily Kantei
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  • Browse All
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Description

It’s here, it’s here! A masterpiece by Kozuke no Kami Yoshikuni has appeared, the elder brother of Mutsu no Kami Yoshiyuki, who is famous for being the beloved sword of Sakamoto Ryoma. Yoshikuni’s real name was Morishita Magobe. It is said that Ryoma was carrying his famous sword when he was assassinated; that sword, a Mutsu no Kami Yoshiyuki, was taken to Hokkaido by relatives who moved to Kushiro, where it was caught in the Great Kushiro Fire years ago and subsequently went missing. Recently, however, it was rediscovered, underwent *saiha* (re-tempering) and *yakinoshi*, was newly polished, and is now housed in the Kyoto National Museum, causing a massive sensation. This work is by the elder brother of that very smith, Mutsu no Kami Yoshiyuki, who is currently the talk of the town. The brothers Yoshikuni and Yoshiyuki were born in Nakamura, Oshū; they went to Osaka together, became disciples of the first generation Yamato no Kami Yoshimichi, and lived in Fushimi Ryogae-cho in Osaka. Later, both brothers were selected to become smiths for the Tosa Clan and lived in Kusaka Village in Tosa. This sword was made around the Kanbun era (1661) (363 years ago). As for the *sugata* of this sword, it was originally a long blade of about 2 *shaku* 4 *sun* 5 *bu*, but a later samurai shortened it to match his own swordsmanship style to use as his *sashiryo*. It displays a *Kanbun Shinto sugata* with a difference between the *motohaba* and *sakihaba* and a shallow *sori*, similar to Kotetsu; this style was suitable for the thrusting techniques (*tsuki*) that were popular in *dojo* at the time. The *jigane* is *itame-hada* mixed with *masame*. Regarding the *hamon*, as you can see, it is a magnificent and famous *sudare-ba*, executed even more skillfully than his master Yamato no Kami Yoshimichi. Because this sword has just appeared on the market for the first time in "raw" condition, there are some light spots of rust, but that is part of its charm. Accordingly, we are offering it at a special bargain price. Please enjoy this precious sword by the elder brother of Mutsu no Kami Yoshiyuki, the smith of Sakamoto Ryoma’s beloved blade who is so popular today.

NihontoWatch MonNihontoWatch
MarketEncyclopediaKantei
Swords›Yoshikuni›Katana by Settsu Sumiyoshi Yoshikuni
katanaHozon
Yoshikuni

Katana by Settsu Sumiyoshi Yoshikuni

Edo · nagasa 67.9cm · sori 0.3cm

¥650,000
Visit seller website →
Yoshikuni — 1 of 22
Yoshikuni — 2 of 22
Yoshikuni — 3 of 22
Yoshikuni — 4 of 22
Yoshikuni — 5 of 22
Yoshikuni — 6 of 22
Yoshikuni — 7 of 22
Yoshikuni — 8 of 22
Yoshikuni — 9 of 22
Yoshikuni — 10 of 22
Yoshikuni — 11 of 22
Yoshikuni — 12 of 22
Yoshikuni — 13 of 22
Yoshikuni — 14 of 22
Yoshikuni — 15 of 22
Yoshikuni — 16 of 22
Yoshikuni — 17 of 22
Yoshikuni — 18 of 22
Yoshikuni — 19 of 22
Yoshikuni — 20 of 22
Yoshikuni — 21 of 22
Yoshikuni — 22 of 22
1 / 22
1 / 22
Yoshikuni — 1 of 22Yoshikuni — 2 of 22Yoshikuni — 3 of 22Yoshikuni — 4 of 22Yoshikuni — 5 of 22Yoshikuni — 6 of 22Yoshikuni — 7 of 22Yoshikuni — 8 of 22Yoshikuni — 9 of 22Yoshikuni — 10 of 22Yoshikuni — 11 of 22Yoshikuni — 12 of 22Yoshikuni — 13 of 22Yoshikuni — 14 of 22Yoshikuni — 15 of 22Yoshikuni — 16 of 22Yoshikuni — 17 of 22Yoshikuni — 18 of 22Yoshikuni — 19 of 22Yoshikuni — 20 of 22Yoshikuni — 21 of 22Yoshikuni — 22 of 22
Measurements & details
Smith
Yoshikuni
Type
Katana
Period
Around 1661–1673(Kanbun)
Province
摂津
Measurements
Nagasa 67.9cmSori 0.3cmMotohaba 3.03cmSakihaba 1.98cmKasane 0.69cm
Description

It’s here, it’s here! A masterpiece by Kozuke no Kami Yoshikuni has appeared, the elder brother of Mutsu no Kami Yoshiyuki, who is famous for being the beloved sword of Sakamoto Ryoma. Yoshikuni’s real name was Morishita Magobe. It is said that Ryoma was carrying his famous sword when he was assassinated; that sword, a Mutsu no Kami Yoshiyuki, was taken to Hokkaido by relatives who moved to Kushiro, where it was caught in the Great Kushiro Fire years ago and subsequently went missing. Recently, however, it was rediscovered, underwent saiha (re-tempering) and yakinoshi, was newly polished, and is now housed in the Kyoto National Museum, causing a massive sensation. This work is by the elder brother of that very smith, Mutsu no Kami Yoshiyuki, who is currently the talk of the town. The brothers Yoshikuni and Yoshiyuki were born in Nakamura, Oshū; they went to Osaka together, became disciples of the first generation Yamato no Kami Yoshimichi, and lived in Fushimi Ryogae-cho in Osaka. Later, both brothers were selected to become smiths for the Tosa Clan and lived in Kusaka Village in Tosa.

This sword was made around the Kanbun era (1661) (363 years ago). As for the sugata of this sword, it was originally a long blade of about 2 shaku 4 sun 5 bu, but a later samurai shortened it to match his own swordsmanship style to use as his sashiryo. It displays a Kanbun Shinto sugata with a difference between the motohaba and sakihaba and a shallow sori, similar to Kotetsu; this style was suitable for the thrusting techniques (tsuki) that were popular in dojo at the time. The jigane is itame-hada mixed with masame. Regarding the hamon, as you can see, it is a magnificent and famous sudare-ba, executed even more skillfully than his master Yamato no Kami Yoshimichi.

Because this sword has just appeared on the market for the first time in "raw" condition, there are some light spots of rust, but that is part of its charm. Accordingly, we are offering it at a special bargain price. Please enjoy this precious sword by the elder brother of Mutsu no Kami Yoshiyuki, the smith of Sakamoto Ryoma’s beloved blade who is so popular today.

About the maker

Yoshikuni

吉国

Settsu · around 1661-1673

3 pieces on the market now

›
3 works by Yoshikuni on the market→
Yoshikuni — full profile

Historical context

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
N
Nipponto
Established 1953 · 73 yrs on the market
🇯🇵Ships from Japan
›
✓Verified dealernipponto.co.jp
Settles in JPY
✓Ships worldwide✓English supportPayPalCredit card
Return policy

For returns due to customer circumstances, the cost is the customer's responsibility. For returns due to our mis-shipment or a defective item, we bear the cost.

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

More works by Yoshikuni

View all →
Samurai Shokai
Hozon
Wakizashi - Hozon - by Yoshikuni - Enjyu Yoshikuni - Tenmei 4th Year, 3rd MonthWakizashi - Hozon - by Yoshikuni - Enjyu Yoshikuni - Tenmei 4th Year, 3rd Month

Wakizashi

ByYoshikuni
¥500,000
Samurai Nippon
Katana - by Yoshikuni - Seki Fujiwarano YoshikuniKatana - by Yoshikuni - Seki Fujiwarano Yoshikuni

Katana

ByYoshikuni
¥650,000

Previously sold by Yoshikuni

Katana Sword
Katana - by Yoshikuni - Settsuju Yoshikuni - Edo PeriodKatana - by Yoshikuni - Settsuju Yoshikuni - Edo Period
Sold

Katana

ByYoshikuni
SOLD
Tozando
Hozon
Katana - Hozon - by Yoshikuni - YoshikuniKatana - Hozon - by Yoshikuni - Yoshikuni
Sold

Katana

ByYoshikuni
SOLD
Samurai Store
Tokuho
Katana - Tokuho - by Yoshikuni - YoshikuniKatana - Tokuho - by Yoshikuni - Yoshikuni
Sold

Katana

ByYoshikuni
SOLD
Tokyo Nihonto
Katana - by Yoshikuni - Settsuju Yoshikuni - Edo PeriodKatana - by Yoshikuni - Settsuju Yoshikuni - Edo Period
Sold

Katana

ByYoshikuni
SOLD
Samurai Museum
Hozon
Katana - Hozon - by Yoshikuni - Antique Japanese Sword Katana Signed by Yoshikuni NBTHK Hozon CertificateKatana - Hozon - by Yoshikuni - Antique Japanese Sword Katana Signed by Yoshikuni NBTHK Hozon Certificate
Sold

Katana

ByYoshikuni
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
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