Blade for a Long Sword (Tachi)

太刀

At a glance — Swords & Armour · Kamakura period, 13th century · held by Tokyo National Museum · designated Important Cultural Property of Japan · Osafune Mitsutada.

Fact Sheet

Designation: Important Cultural Property (重要文化財)
Category: Swords & Armour
Period: Kamakura period, 13th century
Date: 1201–1300
Creator: Osafune Mitsutada (長船光忠、備前光忠、光忠)
Held by: Tokyo National Museum
Location: Ueno, Tokyo
Catalogue ID: cobas-77837

Find more

Same period: Kamakura swords & armour →
Same creator: Osafune Mitsutada →
At this museum: All 1632 works here →

Blade for a Long Sword (Tachi) is a swords & armour of Kamakura period, 13th century (1201–1300), held by the Tokyo National Museum and designated a Important Cultural Property (重要文化財) of Japan. The facts below are transcribed from the official catalogue record; this entry carries no museum description in English.

Record & Sources

Designation: Important Cultural Property (重要文化財), Government of Japan
Catalogue ID: cobas-77837 (permanent)
Official record: Japan Search — jpsearch.go.jp/item/cobas-77837
Holder's collection: ColBase — Tokyo National Museum
Photograph: Tokyo National Museum, via ColBase — CC BY 4.0. CC BY 4.0 licence

Cite this page: “Blade for a Long Sword (Tachi)（太刀）.” Treasures of Japan, catalogue no. cobas-77837. Tokyo National Museum. https://treasures.yamato-kenkou.com/treasures/blade-for-a-long-sword-tachi-77837/ — entry last verified 1 November 2026.

Full record data (as published in the official catalogue record)

Category: Applied arts:Arms and armor:Blades:Tachi
Genre: Arms & Armor
Cultural property designation: Important Cultural Property
員数: 1口
分類: 刀剣
種別: 工芸:武器・武具:刀剣:太刀
銘文等: 銘光忠

Also at the Tokyo National Museum More →

National Treasure