United States. (France - Transatlantic Mails). 1844. Folded letter written from 'Rotterdam 6th Jan 1844' addressed to Boston U.S. endorsed 'per "IOWA" via Havre', framed 'P.P.' in red = Port Payee' and double ring 'Bureau Maritime (Havre)' dated '9th Jan' in red (Salles Fig 220) and 'New York/ SHIP/ Feb 9' arrival in red on face and manuscript ship letter charge '20 - 3/4c' in blue ink.
Fine item carried on the 'OLD LINE later UNION LINE' Ship "IOWA" with 'P.P. = Port Payee or Postage Paid to dockside at La Havre.
Letter rated Act of 1825, single letter 150 to 400 miles, N.Y. to Boston at '18c 3/4c + 2c Ship Letter charge = 20c ' 3/4c due shown in manuscript.