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Aerial view of the Place and Gare Cornavin in Geneva, with cars and typical buildings from the 1970s. The reverse indicates a television contest "Télé 7 Jours" in which the recipient, Jean-Paul Guilllin, participated in the search for the "Cité cachée n°198 : Héliopolis". Postmark of 2.40 francs and Geneva postmark of 26 April 1974.