Catalog
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| Issuer | Imprensa Nacional-Casa da Moeda (INCM) |
|---|---|
| Year | 2019 |
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| Value | Log in to see details |
| Currency | Euro (2002-date) |
| Composition | Log in to see details |
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| Obverse description | Against a field decorated with a radiating star pattern, a central circle bears the Portuguese coat of arms. Surrounding the arms, a circular legend reads 'PORTUGAL' at the top and 'O RENASCIMENTO' (The Renaissance) below, with the face value '5€' and the year of issue '2019' also present. The mint name 'INCM' and the engraver's name 'E. BYRNE' appear at the lower left. The overall design combines heraldic and decorative Renaissance-inspired elements in a refined, medallic composition. |
|---|---|
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| Reverse description | The reverse, designed by sculptor Eloísa Byrne, features an artistic representation of the loxodromic curve — a mathematical concept discovered by the Portuguese mathematician Pedro Nunes (Petrus Nonius) in 1537 that profoundly influenced navigation and cartographic science. The elegant geometric motif fills the field, rendered in a stylized manner evoking both mathematical precision and artistic refinement. The legend 'CURVA LOXODRÓMICA' appears alongside the attribution 'PETRUS NONIUS', identifying the subject and its discoverer. |
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| Mintage | 2019 INCM - Proof - 1,974 |
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