Letter sheet cover fr. with 40l mauve on blue and 10l orange on blue (to pay the Austrian ship) tied by "67" cds and canc. "ΣΥΡΟΣ*3.ΔΕΚΕ.61", via "ΑΘΗΝΑΙ*4.ΔΕΚΕ.61", arr. "ΝΑΥΠΛΙΟΝ*6.ΔΕΚΕ.61". Fold in middle. Fine and scarce. (Hellas 6a+4b).