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250 Dobras Independence
| Issuer | Banco Nacional de São Tomé e Príncipe |
|---|---|
| Year | 1977 |
| Type | Non-circulating coin |
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|---|---|
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| Reverse script | Latin |
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| Edge | Reeded |
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| Additional information |
São Tomé and Príncipe gained independence from Portugal on July 12, 1975, after centuries of colonial rule and a relatively peaceful transition negotiated as Lisbon's own political order collapsed following the Carnation Revolution of April 1974. The new nation's first commemorative issues in silver were struck just two years later, establishing the Banco Nacional's early ambition to participate in the international collector coin market despite the islands' extremely limited domestic economy.
The .925 fineness is notable — the newly independent central bank chose sterling-grade silver rather than the more common .900 standard used by many contemporary commemorative programs.