4-Mon Coins (Shimonsen)
当四文銭（shimonsen）
- Series
- Edo-period coinage (denomination class)
- Denomination
- 4 mon
- Period
- From 1768
Updated: 2026-09-02
Specifications (as confirmed)
| Item | Value | Type | Sources |
|---|---|---|---|
| Lineage (catalog) | 1768年〜 | Catalog value | [1] |
FACTIn the Meiwa era brass (copper–zinc) 4-mon coins were cast in quantity (1768); after the ports opened, iron and copper 4-mon issues followed (iron 1860, Bunkyū Eihō 1863) (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]「貨幣博物館 常設展示図録（全国各地にあった銭座）」（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/index52.html（accessed: 2026-09-02）