1865 (June 23) Cover from Amsterdam to New York, bearing 1865 10c and 15c pair & single, each tied by framed "FRANCO" hs, correctly paying the single rate according to the 1864 American-Dutch Convention, alongside showing red dispatch cds, "London/Paid" transit and "N.YORK/5/Br. PKt." cds, and "10" red crayon denoting credit to U.K., with involvement of the Cunard SS "China" in its carriage; horizontal fling fold to cover. (Image)