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Description

This katana was made by Naonobu in Yonezawa, Dewa province during the late Edo period (1850). The blade features a shinogi-zukuri shape with a deep torii-zori curvature. The hamon is a straight suguha with small ko-ashi. It has been certified as Tokubetsu Hozon Token by the NBTHK in 2019.

Certificate Reading

Certificate reading — 銘 米沢住直信作 嘉永三年九月日

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MarketEncyclopediaKantei
Swords›Gassan›Osaka Gassan›Naonobu›Katana: Yonezawa Naonobu
katanaTokubetsu Hozon
Gassan Naonobu

Katana: Yonezawa Naonobu

mei · Ansei (1854-1860) · nagasa 70cm · sori 2.5cm

¥550,000
Visit seller website →
Gassan Naonobu (直信) · Ansei (1854-1860)2 works for sale →
Katana
Could you name the smith from the blade alone? Today’s kantei →
Gassan Naonobu — 1 of 16
Gassan Naonobu — 2 of 16
Gassan Naonobu — 3 of 16
Gassan Naonobu — 4 of 16
Gassan Naonobu — 5 of 16
Gassan Naonobu — 6 of 16
Gassan Naonobu — 7 of 16
Gassan Naonobu — 8 of 16
Gassan Naonobu — 9 of 16
Gassan Naonobu — 10 of 16
Gassan Naonobu — 11 of 16
Gassan Naonobu — 12 of 16
Gassan Naonobu — 13 of 16
Gassan Naonobu — 14 of 16
Gassan Naonobu — 15 of 16
Gassan Naonobu — 16 of 16
1 / 16
1 / 16
Gassan Naonobu — 1 of 16Gassan Naonobu — 2 of 16Gassan Naonobu — 3 of 16Gassan Naonobu — 4 of 16Gassan Naonobu — 5 of 16Gassan Naonobu — 6 of 16Gassan Naonobu — 7 of 16Gassan Naonobu — 8 of 16Gassan Naonobu — 9 of 16Gassan Naonobu — 10 of 16Gassan Naonobu — 11 of 16Gassan Naonobu — 12 of 16Gassan Naonobu — 13 of 16Gassan Naonobu — 14 of 16Gassan Naonobu — 15 of 16Gassan Naonobu — 16 of 16
Gassan Naonobu (直信) · Ansei (1854-1860)2 works for sale →
Katana
Could you name the smith from the blade alone? Today’s kantei →
Measurements & details
Smith
Gassan Naonobu
Type
Katana
School
Osaka Gassan
Period
Around 1854–1860(Ansei)
Province
Dewa
Signature
Signed
Measurements
Nagasa 70cmSori 2.5cmMotohaba 3cmSakihaba 2cmKasane 0.9cm
Description

This katana was made by Naonobu in Yonezawa, Dewa province during the late Edo period (1850). The blade features a shinogi-zukuri shape with a deep torii-zori curvature. The hamon is a straight suguha with small ko-ashi. It has been certified as Tokubetsu Hozon Token by the NBTHK in 2019.

About the maker

Naonobu

直信

Shinshinto · Dewa · around 1854-1860

2 pieces on the market now

›
2 works by Naonobu on the market→
Naonobu — full profileShinshinto school

Study this maker →

About the school

Osaka Gassan

大阪月山

Shinshinto · Settsu

37 pieces on the market now

›
1 recorded smiths2 designated works
Leading smiths
SmithEraDesignated
Sadakazu貞一1864-18652
Sadaharu貞晴1865-18680
Sadayoshi貞吉1926-19890
Yoshiaki吉明1844-18480
Sadayoshi貞吉1830-18630
Explore the Osaka Gassan school →

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
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.

Signed: 米沢住直信作 嘉永三年九月日 (Gassan Naonobu)
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
T
Touken Matsumoto
Established 1984 · 42 yrs on the market
🇯🇵Ships from Japan
›
✓Verified dealertouken-matsumoto.jp
Settles in JPY
✓Ships worldwide✓English supportWire transferPayPalCredit card
Return policy

Domestic: items may be returned within 7 days in original condition for a full refund (buyer covers transport). Overseas orders: no-refunds, no-returns.

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

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Tsuruginoya
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¥850,000
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Katana - by Gassan Tatsuyoshi - Izu koku Tatsuyoshi-saku, dated Heisei 4 (1992)Katana - by Gassan Tatsuyoshi - Izu koku Tatsuyoshi-saku, dated Heisei 4 (1992)

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¥500,000

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Nihontowatch© 2026
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¥550,000

View on Touken Matsumoto

Description

This katana was made by Naonobu in Yonezawa, Dewa province during the late Edo period (1850). The blade features a shinogi-zukuri shape with a deep torii-zori curvature. The hamon is a straight suguha with small ko-ashi. It has been certified as Tokubetsu Hozon Token by the NBTHK in 2019.

Certificate Reading

Certificate reading — 銘 米沢住直信作 嘉永三年九月日

NihontoWatch MonNihontoWatch
MarketEncyclopediaKantei
Swords›Gassan›Osaka Gassan›Naonobu›Katana: Yonezawa Naonobu
katanaTokubetsu Hozon
Gassan Naonobu

Katana: Yonezawa Naonobu

mei · Ansei (1854-1860) · nagasa 70cm · sori 2.5cm

¥550,000
Visit seller website →
Gassan Naonobu (直信) · Ansei (1854-1860)2 works for sale →
Katana
Could you name the smith from the blade alone? Today’s kantei →
Gassan Naonobu — 1 of 16
Gassan Naonobu — 2 of 16
Gassan Naonobu — 3 of 16
Gassan Naonobu — 4 of 16
Gassan Naonobu — 5 of 16
Gassan Naonobu — 6 of 16
Gassan Naonobu — 7 of 16
Gassan Naonobu — 8 of 16
Gassan Naonobu — 9 of 16
Gassan Naonobu — 10 of 16
Gassan Naonobu — 11 of 16
Gassan Naonobu — 12 of 16
Gassan Naonobu — 13 of 16
Gassan Naonobu — 14 of 16
Gassan Naonobu — 15 of 16
Gassan Naonobu — 16 of 16
1 / 16
1 / 16
Gassan Naonobu — 1 of 16Gassan Naonobu — 2 of 16Gassan Naonobu — 3 of 16Gassan Naonobu — 4 of 16Gassan Naonobu — 5 of 16Gassan Naonobu — 6 of 16Gassan Naonobu — 7 of 16Gassan Naonobu — 8 of 16Gassan Naonobu — 9 of 16Gassan Naonobu — 10 of 16Gassan Naonobu — 11 of 16Gassan Naonobu — 12 of 16Gassan Naonobu — 13 of 16Gassan Naonobu — 14 of 16Gassan Naonobu — 15 of 16Gassan Naonobu — 16 of 16
Gassan Naonobu (直信) · Ansei (1854-1860)2 works for sale →
Katana
Could you name the smith from the blade alone? Today’s kantei →
Measurements & details
Smith
Gassan Naonobu
Type
Katana
School
Osaka Gassan
Period
Around 1854–1860(Ansei)
Province
Dewa
Signature
Signed
Measurements
Nagasa 70cmSori 2.5cmMotohaba 3cmSakihaba 2cmKasane 0.9cm
Description

This katana was made by Naonobu in Yonezawa, Dewa province during the late Edo period (1850). The blade features a shinogi-zukuri shape with a deep torii-zori curvature. The hamon is a straight suguha with small ko-ashi. It has been certified as Tokubetsu Hozon Token by the NBTHK in 2019.

About the maker

Naonobu

直信

Shinshinto · Dewa · around 1854-1860

2 pieces on the market now

›
2 works by Naonobu on the market→
Naonobu — full profileShinshinto school

Study this maker →

About the school

Osaka Gassan

大阪月山

Shinshinto · Settsu

37 pieces on the market now

›
1 recorded smiths2 designated works
Leading smiths
SmithEraDesignated
Sadakazu貞一1864-18652
Sadaharu貞晴1865-18680
Sadayoshi貞吉1926-19890
Yoshiaki吉明1844-18480
Sadayoshi貞吉1830-18630
Explore the Osaka Gassan school →

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
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.

Signed: 米沢住直信作 嘉永三年九月日 (Gassan Naonobu)
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
T
Touken Matsumoto
Established 1984 · 42 yrs on the market
🇯🇵Ships from Japan
›
✓Verified dealertouken-matsumoto.jp
Settles in JPY
✓Ships worldwide✓English supportWire transferPayPalCredit card
Return policy

Domestic: items may be returned within 7 days in original condition for a full refund (buyer covers transport). Overseas orders: no-refunds, no-returns.

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

More works by Gassan Naonobu

View all →
Toushin
Tanto - by Gassan Naonobu - NaonobuTanto - by Gassan Naonobu - Naonobu

Tantō

ByGassan Naonobu
¥121,000

More from the Osaka Gassan school

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ByGassan Sadakatsu
Starting Bid¥1,650,000
Choshuya
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Ask
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Tantō

ByGassan Sadakatsu
¥600,000
World Seiyudo
Hozon
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Tantō

ByGassan Sadakatsu
¥2,800,000
Tsuruginoya
Gendaitō
Katana - by Gassan Sadayoshi - Enomoto Sadayoshi, Showa 53rd YearKatana - by Gassan Sadayoshi - Enomoto Sadayoshi, Showa 53rd Year

Katana

ByGassan Sadayoshi
¥850,000
Sanmei
Gendaitō
Katana - by Gassan Tatsuyoshi - Izu koku Tatsuyoshi-saku, dated Heisei 4 (1992)Katana - by Gassan Tatsuyoshi - Izu koku Tatsuyoshi-saku, dated Heisei 4 (1992)

Katana

ByGassan Tatsuyoshi
¥650,000
Toushin
Tokuho
Tachi - Tokuho - by Gassan Sadakatsu - Osaka ju Gassan Sadakatsu - Showa 11th year, December, Auspicious DayTachi - Tokuho - by Gassan Sadakatsu - Osaka ju Gassan Sadakatsu - Showa 11th year, December, Auspicious Day

Tachi

ByGassan Sadakatsu
¥2,420,000

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ByGassan
¥980,000
Choshuya
Tokuho
Tanto - Tokuho - by Gassan School - Signed Gassan HisatoshiTanto - Tokuho - by Gassan School - Signed Gassan Hisatoshi

Tantō

ByGassan School
Ask
Touken Komachi
Tokuho
Katana - Tokuho - by Gassan Sadakazu - Hina Katana (Miniature Katana) with Shirasaya and Koshirae: 1st Generation Gassan SadakazuKatana - Tokuho - by Gassan Sadakazu - Hina Katana (Miniature Katana) with Shirasaya and Koshirae: 1st Generation Gassan Sadakazu

Katana

ByGassan Sadakazu
¥1,200,000
Yakiba
Gendaitō
Tanto - by Gassan Sadahito - Enamoto SadahitoTanto - by Gassan Sadahito - Enamoto Sadahito

Tantō

ByGassan Sadahito
¥2,400
Toyuukai
Hozon
Tanto - Hozon - by Gassan Sadayoshi - Fuyou Asahi, Ansei Hebidoshi 8gatsuhi (Attributed to Gassan Sadayoshi) [NBTHK Hozon]Tanto - Hozon - by Gassan Sadayoshi - Fuyou Asahi, Ansei Hebidoshi 8gatsuhi (Attributed to Gassan Sadayoshi) [NBTHK Hozon]

Tantō

ByGassan Sadayoshi
¥400,000
Choshuya
Tokuho
Katana - Tokuho - by Gassan Sadaharu - Signed Nagaguchi Sadaharu, made in Naniwa by order of Masuda of Matsumoto Domain, Keio 1st yearKatana - Tokuho - by Gassan Sadaharu - Signed Nagaguchi Sadaharu, made in Naniwa by order of Masuda of Matsumoto Domain, Keio 1st year

Katana

ByGassan Sadaharu
Ask
Nipponto
Hozon
Tanto - Hozon - by Gassan School - Japanese Sword: Tanto by Gassan (Ko-Gassan) with NBTHK Hozon PaperTanto - Hozon - by Gassan School - Japanese Sword: Tanto by Gassan (Ko-Gassan) with NBTHK Hozon Paper

Tantō

ByGassan School
¥560,000
Toyuukai
Tokuho
Tanto - Tokuho - by Gassan School - Gassan - NBTHK Tokubetsu KichoTanto - Tokuho - by Gassan School - Gassan - NBTHK Tokubetsu Kicho

Tantō

ByGassan School
¥500,000

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
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¥550,000

View on Touken Matsumoto
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