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| 正面描述 | 登录 以查看详情 |
|---|---|
| 正面文字 | Latin |
| 正面铭文 | 登录 以查看详情 |
| 背面描述 | Central field features a passant lion rampant to the right, rendered in the bold, stylized heraldic manner of Alfonsine billon coinage, enclosed within a beaded inner circle. The outer field is again quartered by a large cross pattée extending to the coin's irregular edge, with each quadrant containing a crescent or star motif. The mint mark for the Coruña mint appears in one of the quadrants, consistent with the AB#250 type attribution. |
| 背面文字 | 登录 以查看详情 |
| 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 |
The "prieto" designation — meaning dark or blackened — refers to the exceptionally low silver content in these billon issues, a deliberate debasement authorized under Alfonso X as his Castilian treasury struggled under the financial strain of his prolonged and ultimately failed campaign to claim the Holy Roman Imperial throne. That imperial ambition, which consumed vast resources between 1257 and 1275, forced repeated monetary manipulations that eroded public confidence in Castilian coinage and contributed directly to the baronial unrest of his later reign.
The Coruña mint was among several activated to meet demand during this period of high-volume, low-value production.