1853 (Apr. 29) Boston, Mass. to Württemberg, buff cover without origin cds but showing red "Paid" h.s. and pencil "30" prepaid rating, red "N. York 'Paid 7' Am. Pkt. Apr 30" exchange credit cds, carried by Collins Line Arctic from New York Apr. 30 to Liverpool arriving May 11, Aachen "Franco" h.s., pencil "31" due rating, Very Fine. Estimate  $200 - 300. 30¢ payment in Boston crossed through in magenta ink at Thurn & Taxis post office in Frankfurt for reasons unknown. In Württemberg, letter marked for 31 kreuzer postage due (one kreuzer local fee plus 30 kreuzer), even though Aachen marked large FRANCO. The reason for this unusual postage due marked on a properly paid letter is unknown. One other cover recorded with this unusual rating. $0 (Image)