Entire letter inscribed "Bateau Danube Voie du Piree", canc. "MARSEILLE*2.JUIN.60", via "ΠΕΙΡΑΕΥΣ-1860*27.ΜΑΙ" and "ΑΘΗΝΑΙ*27.ΜΑΙΟΣ.60", arr. "ΠΑΤΡΑΙ*29.ΜΑΙΟΣ.60". Postage "142" (lepta) to be paid on arrival. Very fine.