1852 (Sep. 10) Boston, Mass. to Bordeaux, France, folded letter with black "American/Packet" two-line h.s. red "Paid" and "21" rating h.s., partial red "New York Am. Packet Sep 11" exchange cds, carried by Ocean Line Washington from New York Sep. 11 to Southampton arriving Sep. 25, London (9.27) backstamp, Paris (9.28) entry cds with "8" décimes due h.s. rating, Very Fine, this is the only recorded example of this unusual "American Packet" marking. Estimate  $150 - 200. This was an unusual routing from Southampton to London and Calais, not the usual for Ocean Line mails to France. $0 (Image)