Entire letter canc. "ΣΥΡΑ*21.ΦΕΒΡΟ.1836" to Swiss. Oval "ΠΛΗΡΩΜΕΝΟΝ" (paid), transit postmarks "ΓΕΝΙΚΟΝ ΤΑΧΥΔΡΟΜΕΙΟΝ ΑΘΗΝΑΙ*25.ΦΕΒΡΟ.1836" (early use) and "MARSEILLE*27.AVRIL.1836", arr. 2-line "GENEVE*29.Avril.1836". On reverse wax-seal "LAZARETTO OF MALTA". Handwritten "διά Πατρών" and boxed "PAYS DOUTREMER". Postage paid in Greece "50+10=60" (lepta). Also oval "2s". Right part of the letter sheet separated, still fine and scarce.