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| 正面描述 | Central motif features the Portuguese coat of arms, surrounded by a ring of ten national shields representing the participating nations of the Ibero-American series: Argentina, Cuba, Ecuador, Spain, Guatemala, Mexico, Nicaragua, Paraguay, Peru, and Portugal. The shields are arranged in a circular border around the central arms, lending the design a heraldic and diplomatic character. The denomination and issuing state appear in the peripheral legend. |
|---|---|
| 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 | 登录 以查看详情 |
| 背面文字 | 登录 以查看详情 |
| 背面铭文 | 登录 以查看详情 |
| 边缘 | Reeded |
| 铸币厂 | 登录 以查看详情 |
| 铸造量 | 登录 以查看详情 |
| 附加信息 |
This piece belongs to the long-running Ibero-American series, a joint commemorative program launched in 1991 involving mints from Spain, Portugal, and Latin American nations issuing thematically coordinated coins simultaneously. The Navigation theme for 2003 was a natural fit for Portugal, whose 15th- and 16th-century maritime expansion fundamentally reshaped global trade routes and cartography. At .500 fineness, the alloy is noticeably lower than the .925 sterling used by many comparable commemorative programs — a cost-driven decision by INCM that affects the coin's luster relative to other issues in the series.