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| Issuer | Benin (1975-date) |
|---|---|
| Year | 2005 |
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| Shape | Round |
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| Obverse script | Latin |
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| Reverse description | A three-quarter facing bust portrait of Albert Einstein is engraved in the left and lower central field, depicting the physicist with his characteristic dishevelled hair and mustache, his hands clasped before him in a contemplative pose. To the right of the portrait, Einstein's celebrated mass-energy equivalence formula E=mc2 appears in the field. The legend ALBERT EINSTEIN * 1879-1955 arcs along the upper periphery, with the year of issue 2005 inscribed at the base of the design. The deeply mirrored proof fields provide strong contrast against the frosted portrait relief. |
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| Additional information |
Benin's commemorative program in the early 2000s produced a string of silver issues honoring international figures that had no meaningful connection to the country — Einstein among them. These were struck for the collector market, not domestic circulation, under the franc CFA zone administered by the BCEAO. The year 2005 coincides with the centenary of Einstein's "Annus Mirabilis," during which he published four papers that reshaped physics, including the special theory of relativity and the photoelectric effect paper that would eventually earn him the 1921 Nobel Prize.