NihontoWatch Mon

NihontoWatchBETA

MarketAuctions
Encyclopedia
NihontoWatch Mon

NihontoWatchBETA

MarketAuctions
Encyclopedia

Description

This is an unsigned iron tsuba featuring a Rinpo Sukashi Zu (Buddhist wheel openwork design), attributed to the Ko-Katchushi school from the Muromachi period. It has a round shape with a vertical file finish on the iron plate, creating subtle variations in the surface. The tsuba is accompanied by an NBTHK Hozon Tosogu certificate.

Certificate Reading

Certificate reading — 無銘(古甲冑師)

NihontoWatch MonNihontoWatchBETA
MarketAuctionsEncyclopedia
Fittings›Ko-Katchushi›Tsuba: Rinpo Sukashi Zu
tsubaHozon

Tsuba: Rinpo Sukashi Zu

mumei · Ko-Katchushi · Koto

¥750,000
Visit seller website →
Tsuba: Rinpo Sukashi Zu — 1 of 6
Tsuba: Rinpo Sukashi Zu — 2 of 6
Tsuba: Rinpo Sukashi Zu — 3 of 6
Tsuba: Rinpo Sukashi Zu — 4 of 6
Tsuba: Rinpo Sukashi Zu — 5 of 6
Tsuba: Rinpo Sukashi Zu — 6 of 6
1 / 6
1 / 6
Tsuba: Rinpo Sukashi Zu — 1 of 6Tsuba: Rinpo Sukashi Zu — 2 of 6Tsuba: Rinpo Sukashi Zu — 3 of 6Tsuba: Rinpo Sukashi Zu — 4 of 6Tsuba: Rinpo Sukashi Zu — 5 of 6Tsuba: Rinpo Sukashi Zu — 6 of 6
Measurements & details
Era

Kotō

Signature

Unsigned

Papers

Hozon (NBTHK)

Description

This is an unsigned iron tsuba featuring a Rinpo Sukashi Zu (Buddhist wheel openwork design), attributed to the Ko-Katchushi school from the Muromachi period. It has a round shape with a vertical file finish on the iron plate, creating subtle variations in the surface. The tsuba is accompanied by an NBTHK Hozon Tosogu certificate.

NBTHK Certificate
Hozon Tōsōgu保存刀装具
Fitting Worthy of Preservation
›

Certifies a genuine fitting worth preserving: a correct signature, or, if unsigned, an identifiable era and school, with recognized artistic and craft value.

Unsigned (attr. 古甲冑師)
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
S
Samurai Nippon
Established 1977 · 49 yrs on the market
🇯🇵Ships from Japan
›
✓Verified dealersamurai-nippon.net
Settles in JPY
✓Ships worldwide✓English supportWire transferPayPalCredit card
Return policy

For one-of-a-kind items such as swords, sword fittings, and antiques, please contact us about a return within 3 days of the item's arrival and ship it back within 8 days. Refunds are issued the same day the returned item arrives.

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

More from the Ko-Katchushi school

Choshuya
Tokuho
Tsuba - Tokuho - by Ko-Katchushi School - Ikada Sukashi Zu Tsuba, Mumei, Ko-KatchushiTsuba - Tokuho - by Ko-Katchushi School - Ikada Sukashi Zu Tsuba, Mumei, Ko-Katchushi

Tsuba

ByKo-Katchushi School
Ask
Connoisseur Arms
Tokuho
Tsuba - Tokuho - Ko-Katchushi Iron TsubaTsuba - Tokuho - Ko-Katchushi Iron Tsuba

Tsuba

ByKo-Katchushi
Ask
Connoisseur Arms
Hozon
Tsuba - Hozon - Ko-Katchushi Iron TsubaTsuba - Hozon - Ko-Katchushi Iron Tsuba

Tsuba

ByKo-Katchushi
Ask
Nihonto US
Tsuba - Ko-Katchushi TsubaTsuba - Ko-Katchushi Tsuba

Tsuba

ByKo-Katchushi
¥950

Swords

  • Katana
  • Wakizashi
  • Tantō
  • Tachi
  • Naginata
  • Yari

Fittings

  • Tsuba
  • Fuchi-Kashira
  • Kozuka
  • Menuki

By Certification

  • Tokujū
  • Jūyō
  • Tokuho
  • Hozon

Resources

  • Dealer Directory
  • Artist Directory
  • Glossary
  • Browse All
Nihontowatch© 2026
TermsPrivacyCookiesAbout

Description

This is an unsigned iron tsuba featuring a Rinpo Sukashi Zu (Buddhist wheel openwork design), attributed to the Ko-Katchushi school from the Muromachi period. It has a round shape with a vertical file finish on the iron plate, creating subtle variations in the surface. The tsuba is accompanied by an NBTHK Hozon Tosogu certificate.

Certificate Reading

Certificate reading — 無銘(古甲冑師)

NihontoWatch MonNihontoWatchBETA
MarketAuctionsEncyclopedia
Fittings›Ko-Katchushi›Tsuba: Rinpo Sukashi Zu
tsubaHozon

Tsuba: Rinpo Sukashi Zu

mumei · Ko-Katchushi · Koto

¥750,000
Visit seller website →
Tsuba: Rinpo Sukashi Zu — 1 of 6
Tsuba: Rinpo Sukashi Zu — 2 of 6
Tsuba: Rinpo Sukashi Zu — 3 of 6
Tsuba: Rinpo Sukashi Zu — 4 of 6
Tsuba: Rinpo Sukashi Zu — 5 of 6
Tsuba: Rinpo Sukashi Zu — 6 of 6
1 / 6
1 / 6
Tsuba: Rinpo Sukashi Zu — 1 of 6Tsuba: Rinpo Sukashi Zu — 2 of 6Tsuba: Rinpo Sukashi Zu — 3 of 6Tsuba: Rinpo Sukashi Zu — 4 of 6Tsuba: Rinpo Sukashi Zu — 5 of 6Tsuba: Rinpo Sukashi Zu — 6 of 6
Measurements & details
Era

Kotō

Signature

Unsigned

Papers

Hozon (NBTHK)

Description

This is an unsigned iron tsuba featuring a Rinpo Sukashi Zu (Buddhist wheel openwork design), attributed to the Ko-Katchushi school from the Muromachi period. It has a round shape with a vertical file finish on the iron plate, creating subtle variations in the surface. The tsuba is accompanied by an NBTHK Hozon Tosogu certificate.

NBTHK Certificate
Hozon Tōsōgu保存刀装具
Fitting Worthy of Preservation
›

Certifies a genuine fitting worth preserving: a correct signature, or, if unsigned, an identifiable era and school, with recognized artistic and craft value.

Unsigned (attr. 古甲冑師)
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
S
Samurai Nippon
Established 1977 · 49 yrs on the market
🇯🇵Ships from Japan
›
✓Verified dealersamurai-nippon.net
Settles in JPY
✓Ships worldwide✓English supportWire transferPayPalCredit card
Return policy

For one-of-a-kind items such as swords, sword fittings, and antiques, please contact us about a return within 3 days of the item's arrival and ship it back within 8 days. Refunds are issued the same day the returned item arrives.

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

More from the Ko-Katchushi school

Choshuya
Tokuho
Tsuba - Tokuho - by Ko-Katchushi School - Ikada Sukashi Zu Tsuba, Mumei, Ko-KatchushiTsuba - Tokuho - by Ko-Katchushi School - Ikada Sukashi Zu Tsuba, Mumei, Ko-Katchushi

Tsuba

ByKo-Katchushi School
Ask
Connoisseur Arms
Tokuho
Tsuba - Tokuho - Ko-Katchushi Iron TsubaTsuba - Tokuho - Ko-Katchushi Iron Tsuba

Tsuba

ByKo-Katchushi
Ask
Connoisseur Arms
Hozon
Tsuba - Hozon - Ko-Katchushi Iron TsubaTsuba - Hozon - Ko-Katchushi Iron Tsuba

Tsuba

ByKo-Katchushi
Ask
Nihonto US
Tsuba - Ko-Katchushi TsubaTsuba - Ko-Katchushi Tsuba

Tsuba

ByKo-Katchushi
¥950

Swords

  • Katana
  • Wakizashi
  • Tantō
  • Tachi
  • Naginata
  • Yari

Fittings

  • Tsuba
  • Fuchi-Kashira
  • Kozuka
  • Menuki

By Certification

  • Tokujū
  • Jūyō
  • Tokuho
  • Hozon

Resources

  • Dealer Directory
  • Artist Directory
  • Glossary
  • Browse All
Nihontowatch© 2026
TermsPrivacyCookiesAbout
NihontoWatch Mon

NihontoWatchBETA

MarketAuctions
Encyclopedia
NihontoWatch Mon

NihontoWatchBETA

MarketAuctions
Encyclopedia