Entire letter canc. "ΑΘΗΝΑΙ*15.ΔΕΚΕ.1853" to Oyonnax, France. Inscribed "P paquebot posted francais", French postmark "GRECE 1 MARSEILLE*6.JANV.54", arr. "OYONNAX" (weak). Postage paid in Greece "75" (lepta). Rate markings for the ship rate on front.