Treasures of JapanA catalogue of Japan's designated cultural properties
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National Treasure

"Tachi" Sword, Known as “Dojikiri Yasutsuna”

太刀 銘 安綱（名物 童子切安綱）
"Tachi" Sword, Known as “Dojikiri Yasutsuna” (太刀 銘 安綱（名物 童子切安綱）)
PLATE IImage: Tokyo National Museum, via ColBase — CC BY 4.0
At a glance — Swords & Armour · Heian period · held by Tokyo National Museum · designated National Treasure of Japan · Houki Yasutsuna.

Fact Sheet

Designation
National Treasure (国宝)
Date
901–1200
Creator
Houki Yasutsuna (伯耆安綱、大原安綱、安綱)
Location
Ueno, Tokyo
Catalogue ID
cobas-159140

Find more

Legend tells of how the warrior Minamoto no Raiko slayed a man-eating demon with this blade. Myths aside, it was without a doubt wielded by a number of famous generals.

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

Record & Sources

Cite this page: “"Tachi" Sword, Known as “Dojikiri Yasutsuna”（太刀 銘 安綱（名物 童子切安綱））.” Treasures of Japan, catalogue no. cobas-159140. Tokyo National Museum. https://treasures.yamato-kenkou.com/treasures/tachi-sword-known-as-dojikiri-yasutsuna/ — entry last verified 1 November 2026.
Full record data (as published in the official catalogue record)
  • Category: Applied arts:Arms and armor:Blades:Tachi
  • Cultural property designation: National Treasure
  • Genre: Arms & Armor
  • 員数: 1口
  • 分類: 刀剣
  • 種別: 工芸:武器・武具:刀剣:太刀
  • 銘文等: 銘 安綱

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