Cunard Line Steamship "Acadia" Maiden Eastbound Voyage, Boston September 1st - Liverpool September 14th 1840. Entire dated "Duplicate Boston Augt 15. 1840" and put onto the Acadia on 1st September. Addressed to Cognac, France, reverse bears London transit of September 15th with the London boxed "PACKET LETTER" applied to front. Routed through Calais on September 17th, Paris on the same day with Cognac arrival on 19th. The boxed "PACKET LETTER" was applied by London to differentiate the letter from that of a Ship Letter. On delivery in Cognac letter charged 26 Decimes being 12 Decimes Britain to France and 14 Decimes inland. Atlantic Transit 13 days, Very Fine. Estimate  $400 - 600. $0 (Image)