Blade for a Long Sword (Katana)

刀（号鳴狐）

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

Fact Sheet

Designation: Important Cultural Property (重要文化財)
Category: Swords & Armour
Period: Kamakura period, 13th century
Date: 1201–1300
Held by: Tokyo National Museum
Location: Ueno, Tokyo
Catalogue ID: cobas-159151

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This sword is characterized by a relatively straight tempering pattern and finely textured steel. The swordsmith, Kuniyoshi, was active in Kyoto.

— Museum description: Tokyo National Museum (CC BY 4.0), via ColBase / Japan Search.

Record & Sources

Designation: Important Cultural Property (重要文化財), Government of Japan
Catalogue ID: cobas-159151 (permanent)
Official record: Japan Search — jpsearch.go.jp/item/cobas-159151
Holder's collection: ColBase — Tokyo National Museum
Photograph: Tokyo National Museum, via ColBase — CC BY 4.0. CC BY 4.0 licence
Credit as recorded: Gift of Mr. Watanabe Sei'ichirō

Cite this page: “Blade for a Long Sword (Katana)（刀（号鳴狐））.” Treasures of Japan, catalogue no. cobas-159151. Tokyo National Museum. https://treasures.yamato-kenkou.com/treasures/blade-for-a-long-sword-katana/ — entry last verified 1 November 2026.

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

Genre: Arms & Armor
Category: Applied arts:Arms and armor:Blades:Katana
Cultural property designation: Important Cultural Property
員数: 1口
分類: 刀剣
種別: 工芸:武器・武具:刀剣:刀
銘文等: 銘左兵衛尉藤原国吉

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