Wheel-Shaped Stones

車輪石

At a glance — Archaeological Object · Kofun period, 4th century · held by Tokyo National Museum · designated National Treasure of Japan.

Fact Sheet

Designation: National Treasure (国宝)
Category: Archaeological Objects
Period: Kofun period, 4th century
Date: 301–400
Held by: Tokyo National Museum
Location: Ueno, Tokyo
Catalogue ID: cobas-116364

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Same period: Kofun archaeological objects →
At this museum: All 1632 works here →

This ritual stone object is made in imitation of bracelets made of the shell of a particular type of shellfish. Even the grooves on the shell surfaces are reproduced on objects of this type, whose shapes can vary and be circular or oval.

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

Record & Sources

Designation: National Treasure (国宝), Government of Japan
Catalogue ID: cobas-116364 (permanent)
Official record: Japan Search — jpsearch.go.jp/item/cobas-116364
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: “Wheel-Shaped Stones（車輪石）.” Treasures of Japan, catalogue no. cobas-116364. Tokyo National Museum. https://treasures.yamato-kenkou.com/treasures/wheel-shaped-stones/ — entry last verified 1 November 2026.

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

Category: Archaeology:Media:Stone, precious stone
Cultural property designation: National Treasure
Genre: Archaeology
Material: Stone
分類: 考古
品質形状: 石製
員数: 18個
種別: 考古:材質:石・玉
法量: 径9.4～14.8

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National Treasure