1848 (Mar. 7) Constantinople, Turkey to Charleston S.C., cover with French Post Office "Constantinople, Turquie, 7 Mars 1848" cds and addressed in care of London forwarder, blue Orleans (3.21) backstamp transit, endorsement crossed out and remailed by forwarder with manuscript "1/3" rating, red London (3.22) backstamp, red New York '10cts' 10 Apr." exchange cds for 10¢ inland postage due; cover tear, Fine, A scarce incoming Transatlantic use from the French Post Office at Constantinople. Estimate  $150 - 200. $0 (Image)