Stamps of Mauritania, 500fr denom
1 to 3 of 3
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1966, Sep 5 150th Anniversary of Shipwreck of the "Medusa" issue unwmk (no perf info)
| - | 500fr | multi |
1967, Apr 3 birds (1967 Mauritania)
| - | 500fr | multi | Struthio camelus |
1970, Aug 17 Apollo 13 issue
| - | 500fr |
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