(Retaliatory Rates) 1848 (Dec. 26) New York, N.Y. to Schiedam, Netherlands, blue folded letter with New York pencil "58" cent prepaid rating for double weight, carried by Cunard Line Niagara from Boston Dec. 27 to Liverpool arriving Jan. 8, London (1.9) arrival backstamp and manuscript "3/4" 3s4d debit to Netherlands, Schiedam arrival backstamp and manuscript "230" Dutch cents due rating, Very Fine, Carried on the 26th and last retaliatory rate voyage to the United Kingdom. Estimate  $200 - 300. This was a double retaliatory rate from the port of Boston for a letter posted in New York. London debit to Holland consisted of 2 x (1s transatlantic packet fee + 8d U.K. portion under 1843 convention). British debit of 3s4d was equivalent to 200 Dutch Cents to which was added 1½ x 20 Cents for the Dutch portion under the convention. Letter weight was between 16-24 grams, but not marked on the cover. $0 (Image)