1842 (Aug. 29) Philadelphia Pa. to London, England, datelined folded letter with red "Harnden & Co, Foreign Letter Office, Phila." circular handstamp, entered mails with blue "Philadelphia Pa. Aug 29" cds and matching "Paid" handstamp with ms. "37½" rating for double the 18¾¢ inland postage to Boston, carried by Cunard Line Britannia from Boston Sep. 1st to Liverpool arriving Sep. 14th, red London (9.15) backstamp with manuscript "2/-" rate for double the 1s packet rate; file fold wear, Fine, ex-Morris; with 1997 P.F. certificate. Estimate  $300 - 400. $0 (Image)