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

Blade for a Long Sword ("Katana"), Named "Kanze Masamune”

刀（名物 観世正宗）
Blade for a Long Sword ("Katana"), Named "Kanze Masamune” (刀（名物 観世正宗）)
PLATE IImage: Tokyo National Museum, via ColBase — CC BY 4.0
At a glance — Swords & Armour · Nanbokuchō period, 14th century · held by Tokyo National Museum · designated National Treasure of Japan.

Fact Sheet

Designation
National Treasure (国宝)
Date
1301–1400
Location
Ueno, Tokyo
Catalogue ID
cobas-77819

Find more

Blade for a Long Sword ("Katana"), Named "Kanze Masamune” is a swords & armour of Nanbokuchō period, 14th century (1301–1400), held by the Tokyo National Museum and designated a National Treasure (国宝) of Japan. The facts below are transcribed from the official catalogue record; this entry carries no museum description in English.

Record & Sources

Cite this page: “Blade for a Long Sword ("Katana"), Named "Kanze Masamune”（刀（名物 観世正宗））.” Treasures of Japan, catalogue no. cobas-77819. Tokyo National Museum. https://treasures.yamato-kenkou.com/treasures/blade-for-a-long-sword-katana-named-kanze-masamune/ — entry last verified 1 November 2026.
Full record data (as published in the official catalogue record)
  • Cultural property designation: National Treasure
  • Genre: Arms & Armor
  • Category: Applied arts:Arms and armor:Blades:Katana
  • 員数: 1口
  • 分類: 刀剣
  • 種別: 工芸:武器・武具:刀剣:刀
  • 銘文等: 無銘 正宗

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Long Sword (Katana) (刀 金象嵌銘 城和泉守所持 正宗磨上 本阿（花押）)

Long Sword (Katana)

刀 金象嵌銘 城和泉守所持 正宗磨上 本阿（花押）
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