France
Essai 20 centimes 1961 " Concours de Rousseau " · “ Concours de Rousseau ”
France
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colcur indexes live Essai 20 centimes 1961 " Concours de Rousseau " listings and reads each holder’s certification barcode — a verifiable fact, not a guess. For the full catalogue history we deep-link to Numista rather than re-host it.
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