Catalog
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| Issuer | Portugal |
|---|---|
| Year | 1663 |
| Type | Standard circulation coin |
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| Composition | Log in to see details |
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| Diameter | Log in to see details |
| Thickness | Log in to see details |
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| Obverse description | Portuguese royal counterstamp applied centrally to the obverse of the host coin, consisting of the numeral '300' enclosed within a crowned cartouche, struck in intaglio relief. The crowned '300' counterstamp of King Afonso VI is boldly impressed into the field, partially overlapping the underlying design of the Spanish 4 Reales macuquina. The host coin's original design elements — including portions of the quartered arms of Castile and León and fragmentary cross motifs — remain visible in the surrounding field. The irregular polygonal flan, characteristic of cob coinage (macuquina), displays an uneven, textured surface consistent with hand-hammered silver production. The counterstamp authenticates and revalues the host coin for circulation within the Portuguese monetary system. |
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| Obverse script | Log in to see details |
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| Reverse description | Log in to see details |
| Reverse script | Latin |
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| Edge | Plain (irregular) |
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