North Atlantic Steamship Company

The North Atlantic Steamship Company was formed in 1859, to operate between New York, Southampton, and Havre.   The line made only six round-trip voyages, all during 1860. 

Buenos Aires, Argentina, October 27, 1860, departed Buenos Aires October 30, per Royal Mail Steam Packet Mersey branch packet, connecting in Rio de Janeiro with Royal Mail Steam Packet Tyne which departed November 8, arrived Southampton December 3, London December 4, 1860 transit marking, per North Atlantic Steamship Co., Atlantic (last return voyage of the line), departed Cowes Dec. 5, arrived New York December 19, "NEW YORK AM. PKT. DEC 19" exchange office marking, rated 33¢ due, manuscript “12" credit to Great Britain (6d), 21¢ retained by United States.