Air mail cover with boxed "ΚΑΤΕΠΕΙΓΟΝ" fr. with 50dr. Landscapes + 2dr. winds (I) + 1dr/20l. Charity and posted from "ΘΕΣΣΑΛΟΝΙΚΗ*1.X.42", arr. "ΑΘΗΝΑΙ*2X.42". Slogan on reverse. (Hellas 586+A55+C87).