folded letter to London datelined "Baltimore Feb 17th 1838" and endorsed "Per Packet 20th ins't from New York", red "Baltimore Md Feb 18" datestamp and matching straightline "Paid" with "18¾" rate, "New-York Feb 19" transit, backstamped "Dartmouth Ship Letter" with May 13 transit and London May 15 arrival, rated "1/7", very fine and scarce