Cover fr. with 30l brown canc. "ΑΘΗΝΑΙ*23.?.81" to Padova, via Cefallinia and Brindisi. On Cefallinia oval maritime cachet "Ν.Μ.ΑΘΑΝΑΣΟΥΛΗΣ/ΕΛΛΗΝΙΚΗ ΑΤΜΟΠΛΟΙΑ/ΑΓΙΑ ΕΥΦΗΜΙΑ", via "BRINDISI*12.?.81", arr. "PADOVA". Very fine and rare. (Hellas 45b).