Entire letter canc. "ΛΑΜΙΑ*21.ΜΑΡΤ.1838" to "Nurbourg/Royamme dHannover". Oval cachet "ΠΛΗΡΩΜΕΝΟΝ" (paid), boxed "GRECE" and "AT" (Autriche Transit), transit postamark "ΠΑΤΡΑΙ*25.ΜΑΡΤΙ.1838". Inscribed "trans Triest par Patras", arr. "1.MAY". Postage markings "90+30=1.20" (drachmai) paid in Greece, Austrian - German rates on front. Very fine and scarce.