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| 正面描述 | 登录 以查看详情 |
|---|---|
| 正面文字 | 登录 以查看详情 |
| 正面铭文 | 登录 以查看详情 |
| 背面描述 | A continuous border legend reads PECVNIA • TOTVM • CIRCVMIT • ORBEM encircling the entire reverse field. At the center, a boldly rendered armillary sphere is depicted, a traditional symbol of Portuguese royal authority and maritime power, referencing the nation's expansive navigational heritage. |
| 背面文字 | Latin |
| 背面铭文 | 登录 以查看详情 |
| 边缘 | 登录 以查看详情 |
| 铸币厂 | 登录 以查看详情 |
| 铸造量 | 登录 以查看详情 |
| 附加信息 |
Portugal's chronic copper shortage in the early eighteenth century forced the crown into an awkward fiscal maneuver: rather than strike entirely new coinage, existing 20 Réis pieces were counterstamped and revalued upward to double their face value. The decree authorizing this practice under João V effectively created money from money already in circulation, a stopgap that sidestepped the cost of full reminting while still expanding the nominal copper supply.
The counterstamp program ran across two decades, which means the host coins vary considerably in their original condition and date of striking. Authentication hinges entirely on the counterstamp itself — poorly applied punches and outright forgeries were documented even in contemporary records.