Ansei Ichibugin
安政一分銀（ansei ichibugin）
- Series
- Counted silver (ichibugin)
- Denomination
- 1 bu (1/4 ryō)
- Period
- August 1859 (Ansei 6)
Updated: 2026-09-02
Specifications (as confirmed)
| Item | Value | Type | Sources |
|---|---|---|---|
| Issue & fineness (catalog) | 1859年8月・87% | Catalog value | [1] |
FACTIssued August 1859 at 87% fineness (catalog); after halting the Ansei nishugin, the shogunate melted Mexican dollars to issue it for exchange.[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]「貨幣博物館 常設展示図録（開港と金貨流出）」（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/index70.html（accessed: 2026-09-02）