1850 (Oct. 11) New York, N.Y. to London, England, folded letter endorsed "p. Atlantic Steamer" and with "New-York Oct 12" ocean mail cds with manuscript "84" cent debit to G.B., carried by Collins Line Atlantic from New York Oct. 12 to Liverpool arriving Oct. 24, London (10.25) arrival backstamp and manuscript "4" shilling due rating; light staining, Fine, a scarce example of this New York postmark on transatlantic mail. Estimate  $200 - 300. New York postmark, sometimes referred to as the first type of ocean mail marking, may have been created from the popular marking of the same form with the word "SHIP" above the date. New York debited G.B. 4x21¢ for quadruple rate letter and London marked 4x1 shilling for postage due. $0 (Image)