large margins, cancelled with red straightline "Free" on printed letter to local street address, matching boxed "Boyd's City Express Post Sep 12 3o'c" handstamp, stamp tied by docketing, small corner creases, otherwise very fine and attractive, this is the earliest known use of the second Boyd's issue and one of two uses with the red octagonal postmark, 1993 Philatelic Foundation certificate (Scott $450)