Treasures of JapanA catalogue of Japan's designated cultural properties 2,690 works catalogued

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Important Cultural Property

Mirror (Excavated from Tenjin'yama tumulus, Nara)

流雲文縁方格規矩鏡（奈良県天神山古墳出土）

At a glance — Archaeological Object · Kofun period, 4th century · held by Nara National Museum · designated Important Cultural Property of Japan.

Fact Sheet

Designation: Important Cultural Property (重要文化財)
Category: Archaeological Objects
Period: Kofun period, 4th century
Date: 301–400
Dimensions: D 20.8
Held by: Nara National Museum
Location: Nara Park, Nara
Catalogue ID: cobas-15181

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Same period: Kofun archaeological objects →
At this museum: All 301 works here →

Mirror (Excavated from Tenjin'yama tumulus, Nara) is a archaeological object of Kofun period, 4th century (301–400), held by the Nara National Museum and designated a Important Cultural Property (重要文化財) of Japan. The facts below are transcribed from the official catalogue record; this entry carries no museum description in English.

Record & Sources

Designation: Important Cultural Property (重要文化財), Government of Japan
Catalogue ID: cobas-15181 (permanent)
Official record: Japan Search — jpsearch.go.jp/item/cobas-15181
Holder's collection: ColBase — Nara National Museum
Photograph: Nara National Museum, via ColBase — CC BY 4.0. CC BY 4.0 licence

Cite this page: “Mirror (Excavated from Tenjin'yama tumulus, Nara)（流雲文縁方格規矩鏡（奈良県天神山古墳出土））.” Treasures of Japan, catalogue no. cobas-15181. Nara National Museum. https://treasures.yamato-kenkou.com/treasures/mirror-excavated-from-tenjinyama-tumulus-nara-15181/ — entry last verified 1 November 2026.

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

Category: Archaeology:Media:Metal
Genre: Archaeological Works
Material: Bronze
Cultural property designation: Important Cultural Property
Size: D 20.8
員数: 1面
分類: 考古
品質形状: 銅製
種別: 考古:材質:金属
法量: 径20.8

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