Kikkō Sadamune, 15th century uchigatana sword in Tokyo National Museum, Japan.
Kikkō Sadamune is a 15th century sword with a hexagonal pattern on the tang that resembles a tortoise shell. The blade displays an irregular wave pattern running across its entire surface.
Swordsmith Hikoshiro Sadamune made this blade around 1400, during a period of change in medieval Japan. It survived the centuries and was preserved by an influential family during the Edo period.
The sword shows the craft skill of Japanese smiths and their ability to shape steel with great precision. Visitors can see the technical details that set this work apart from others.
The sword is displayed in the Tokyo National Museum in a controlled environment to prevent rust and wear. Visitors should view it from an appropriate distance, as direct contact is not permitted.
A family from Owari Province sent this sword as a gift to a shogun in the 17th century. The work was so valuable that it has been treated as a state treasure ever since.
Location: Taitō-ku
Inception: 14 century
Creator: Hikoshiro Sadamune
Address: 東京都台東区上野公園13-9
GPS coordinates: 35.71994,139.77560
Latest update: December 8, 2025 19:54
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