Entire letter canc. "ΑΘΗΝΑΙ*8.ΔΕΚΕΜ.1840" to Paris, addressed to Monsieur "J.Colettis Ministre de S.Majeste le Roi de Grece", ambassador of Greece in Paris at the time. Linear "ΣΥΣΤΗΜΕΝΟΝ" (registered), transit "ΠΥΡΑΙΕΥΣ*8.ΔΕΚΕΜ.1840", cachet "PURIFIE AU LAZARET MALTE", postmark "2 GRECE MARSEILLE*7.JANV.41", arr. "PARIS*7.JANV.41". Disinfection slits. Postage markings "18+18=36" on front, also on reverse but not clear due to wax seal.