"ΑΘΗΝΑΙ*15.VIII.59" first flight cover to "MΥΡΙΝΑ*15.ΑΥΓ.59" by OA, commemorative canc. "ΟΛΥΜΠΙΑΚΗ ΑΕΡΟΠΟΡΙΑ" in violet and linear commemorative canc. "ΠΡΩΤΗ ΠΤΗΣΙΣ ΑΘΗΝΑΙ-ΛΗΜΝΟΣ" in black. (Hellas FF514A).