Cover fr. with 5l. green in strip of 4 canc. "75" and "ΠΑΡΟΣ*25.ΙΟΥΛ.68", via "ΣΥΡΟΣ*2.ΑΥΓ.68", arr. "ΑΘΗΝΑΙ*4.ΑΥΓ.68". Marginal stamp touched, the rest of the strip fine-very fine. Fine and rare. (Hellas 17a).