31.3.1933. Athens - Zinder. First Flight: Athens (Air Orient) - Marseilles (Compagnie Generale Aeropostale) - Algiers (French Air Force) - Zinder (French West Africa). Registered air cover with red cachet "ΕΝΑΕΡΙΩΣ / PAR AVION", depart. canc. "ΑΘΗΝΑΙ - ΣΥΣΤΗΜ.ΑΕΡΟΠΟΡΙΚΩΣ / ΑΠΟΣΤΟΛΗ / 31.IIΙ.33" & violet commemorative cachet, arr. "ZINDER / NIGER / 7 AVRIL 33". ONLY 24 FLOWN. (Hellas 287B).