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Outer 1874 Liverpool to Oporto (1/- stamp removed!) with EXCHANGE LIVERPOOL duplex mark dated 24 JY 1874 code A 14, with FRANCA oval in black, and red PD in circle. Cover marked "Via France". Backstamped by Porto arrival mark in black dated 1 AUG 1874. Letter from a company called John Glynn, asking for the enclosed letter to be delivered to a Captain Johnson either at Porto or Vienna, depending on where he drops off his cargo of fish from Newfoundland!