Los 365
1873, folded letter endorsed "per St. Liguria" sent from Gibraltar to Genoa, with uncancelled British stamps not consided valid by the Italian P.O., upon arrival taxed "4" d. and postage due 40c. applied and good strike of straigt-line "con Bastim Mercant" alongside, tying one GB stamp, a very rare and to our knowledge the only letter carried by an Italian steamer coming from Buenos Aires and collected Gibraltar
