Old 1-Yen Gold Coin
旧1円金貨（kyū ichi-en kinka） ・ aka: 一圓金貨
- Series
- Modern gold coinage under the New Currency Regulation
- Denomination
- 1 yen
- Period
- Authorized by the New Currency Regulation (1871)
Updated: 2026-09-02
Specifications (as confirmed)
| Item | Value | Type | Sources |
|---|---|---|---|
| Pure gold (Regulation, per catalog) | 1.5g/円 | Catalog value | [1] |
FACTThe New Currency Regulation (1871) fixed 1.5 g of gold = 1 yen (catalog); the 1-yen gold coin thus contains 1.5 g of pure gold.[1]
FACTBetween 1871 and the Coinage Act of 1897 gold roughly doubled against silver worldwide; Regulation-era gold coins were made current at twice face value under the Act (catalog).[1]
FACTMeiji-5-pattern 1-yen gold coin imagery is held by the NDL (11 entries).[2]
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]「貨幣博物館 常設展示図録（金本位制の導入）」（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/index86.html（accessed: 2026-09-02）
- [2]「NDLサーチ 書誌照合（11件・明治5年式 図像資料）」（国立国会図書館） — https://ndlsearch.ndl.go.jp/search?cs=bib&keyword=一円金貨（accessed: 2026-09-02）