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Uninscribed Silver Coin (Mumon Ginsen)

無文銀銭（mumon ginsen）

Series
Ancient silver coinage
Denomination
—
Period
Mid-7th to early 8th century

Updated: 2026-09-02

Specifications (as confirmed)

ItemValueTypeSources
Weight adjustment (catalog)約10gCatalog value[1]

FACTA silver coin of the mid-7th to early 8th century; silver slips were attached to adjust the weight to about 10 g, and it is thought to have passed by bullion value (catalog).[1]

FACTThe Asukaike excavation established that the "silver coin" banned in 683 was this uninscribed type (catalog).[1]

Historical Context

Open Items

INTERPRETATIONSpecifications not stated here (weight, fineness, mintage, etc.) are not yet confirmed in the sources consulted. They will be added as they are confirmed.

Auction Records

No auction records confirmed for this exact type yet. Prices for the broader category are not shown as this type's prices. Confirmed records will be listed here.

References

  1. [1]「貨幣博物館 常設展示図録（無文銀銭と富本銭）」（日本銀行金融研究所 貨幣博物館） — https://www.imes.boj.or.jp/cm/collection/tenjizuroku/mod/book/pageindices/index17.html（accessed: 2026-09-02）