Austrian Levant. 1857. Stamp-less envelope addressed to Paris written from Constantinople with oval agents cachet 'Posng & Co/ Constantinople', charged '8' in m/s and routed via Trieste with hand-struck 'Leta=arr=per mare' and Trieste transit on reverse, hand-stamp 'T.A.' with French entry cachet and rated '18' on arrival with Paris receiver. Very fine.