partial folded letter from missionary in Persia with disinfection slits, originally addressed to Monson, Massachusetts, carried privately to Edinburgh where it entered the mails with red "Paid at Edinh. Dec 22 1848" split ring datestamp and manuscript "1/" rating, London and Liverpool backstamps, carried by Cunard's America departing Liverpool December 30 and arriving Boston January 12, red "Boston Ship Jan 12" entry datestamp and matching "7" rate handstamp for inland postage plus 2c ship fee, red "Monson Ms. Jan 15" datestamp, forwarded to Palmer with manuscript "12" due rating, very fine and attractive, a rare forwarded and disinfected restored rate cover