Registered "PAR AVION" cover fr. with complete set of 1949 Children abduction issue, cancelled with "THESSALONIKI*19 IV 49", arr. "ΑΘΗΝΑΙ". Also boxed "ΕΠΙΤΡΟΠΗ ΠΡΟΣΤΑΣΙΑΣ ΕΘΝΙΚΟΥ ΝΟΜΙΣΜΑΤΟΣ/ΕΝ ΘΕΣΣΑΛΟΝΙΚΗ" cachet. (Hellas 702/704).