Registered cover fr. with "Διοίκησις Δυτικής Θράκης" ovpt, "Διοίκησις Θράκης" ovpt, lithos, provisional Government and charity Greek stamps canc. "ΑΛΕΞΑΝΔΡΟΥΠΟΛΙΣ ΣΥΣΤΗΜΕΝΑ*18.ΜΑΡ.26", arr. "HAMBURG*22.3.26".