Greece. (Ionian Islands). 1842. Stamp-less envelope dated '14th Feb 1842' addressed to Napoli cancelled by oval 'Corfu/ 15/ Fiebraro' with disinfection slits and boxed 'Lazaret' hand-stamp on reverse, hand-struck 'Ancona' and oval 'Agenzia Del Lloyd Austriaco/ Ancona' in black (Tchil 457), rated '10' in m/s. Very attractive.