Airmail registered cover fr. with 10l. litho in iregular block with perforation variety, 5dr+2x80l+50l+2x40l Landscapes and 2dr airmail stamp canc. "ΑΛΕΞΑΝΔΡΟΥΠΟΛΙΣ*1.ΑΥΓ.34" via "ΘΕΣΑΛΟΝΙΚΗ", arr. "ΑΘΗΝΑΙ". 40l. 1927 Landscapes stamp in pair with impressive horizontal perforation displacement.