Catalog
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| Issuer | Imprensa Nacional - Casa da Moeda (INCM) |
|---|---|
| Year | 2003 |
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| Composition | Log in to see details |
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| Diameter | 40 mm |
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|---|---|
| Obverse script | Latin |
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| Reverse description | Central composition depicts a stylized Portuguese caravel under full sail, its mainsail bearing the distinctive Cross of the Order of Christ, juxtaposed to the right with a navigational quadrant or astrolabe rendered in outline form, evoking Portugal's Age of Discovery. To the upper left, a group of five stars is arranged in the field, referencing the Southern Cross constellation associated with Ibero-American heritage. The engraver's signature 'MACHADO' appears in the upper right field, while the mint mark 'INCM' is inscribed at the lower left. The word 'NÁUTICA' is boldly lettered across the lower portion of the reverse, and the date '2003' runs vertically along the right margin. |
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| Additional information |
The Ibero-American series, launched in 1991 through a cooperative agreement between the mints of Spain, Portugal, and their former colonial counterparts across Latin America, rotates a shared theme annually with each participating country issuing its own interpretation. The 2003 nautical theme was a natural fit for Portugal — the country that pioneered deepwater Atlantic navigation in the 15th century and whose cartographic techniques, developed at Sagres under royal patronage, were closely guarded state secrets for decades.
KM#748a designates the silver issue within a dual-metal release that year, the gold companion struck at significantly lower mintage.