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| 正面描述 | The Portuguese royal coat of arms occupies the central field, featuring the five escutcheons in cross formation with roundels, all within a decorative shield. The mint letters 'A' and 'D' flank the arms to the left and right respectively, indicating the Goa-to-Diu monetary circulation authorization. The design is executed in hammered style typical of Portuguese colonial coinage of the mid-seventeenth century, with a beaded border encircling the entire design. |
|---|---|
| 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 | The reverse displays a large stylized monogram composed of the letters 'T' and 'M' interlaced, representing 'Tanga Meia' (Half Tanga), rendered in a bold, intertwined design characteristic of Portuguese India colonial issues. The monogram is prominently centered in the field with minimal surrounding detail, consistent with hammered coinage of this period. A beaded border frames the design at the periphery. |
| 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 |
João IV came to the Portuguese throne in 1640 following the restoration of independence from sixty years of Iberian Union under Spanish rule. The Estado da India's mints were operating in a severely weakened condition by this point — the union period had drained resources eastward into Spanish priorities, and Portuguese Indian coinage had become erratic in both supply and quality. This particular type, struck at Goa for circulation at Diu, reflects the logistical reality of maintaining a scattered network of coastal enclaves dependent on inter-factory bullion transfers rather than local silver supply.
Diu's strategic position at the mouth of the Gulf of Khambhat made small-denomination silver essential for trade, but the roughly three-hundred-kilometer sea route between mints introduced chronic inconsistency in planchet preparation.