Comma-Shaped Beads (Magatama)

硬玉勾玉

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-116360

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Same period: Kofun archaeological objects →
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Comma-Shaped Beads (Magatama) is a archaeological object of Kofun period, 4th century (301–400), 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

Designation: National Treasure (国宝), Government of Japan
Catalogue ID: cobas-116360 (permanent)
Official record: Japan Search — jpsearch.go.jp/item/cobas-116360
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: “Comma-Shaped Beads (Magatama)（硬玉勾玉）.” Treasures of Japan, catalogue no. cobas-116360. Tokyo National Museum. https://treasures.yamato-kenkou.com/treasures/comma-shaped-beads-magatama/ — entry last verified 1 November 2026.

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

Cultural property designation: National Treasure
Category: Archaeology:Media:Stone, precious stone|Archaeology:Region:Japan
Genre: Archaeology
Material: Jadeite
種別: 考古:材質:石・玉|考古:地域:日本
分類: 考古
員数: 7個
品質形状: 硬玉
法量: 長1.0～1.9

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National Treasure