Greece. (France). 1869. Stamp-less folded letter addressed to Athens cancelled by Lyon double ring '28th Mai 1869',  endorsed 'via Marseille'  with Marseille transit ''29th Mai', charged with hand-struck '90' and bearing  Greek 'Large Hermes'  Yvert 20, 10 lepta orange/ azure (imperf) and Yvert 22, 40 lepta lilac/ azure (imperf pair) applied and tied on arrival by Athens date stamp.
Very fine usage of Large Hermes stamps as Postage Dues.