U.S. Postal History #646

1772 (Mar. 21) Philadelphia Pa. to Salem Ms., folded letter datelined "Philadelphia" and endorsed "p post", Philadelphia forwarder's endorsement on flap "Phila. March 21st 1772 Forwarded…Andw. Cabot", entered post with red "PHILA / DELPHIA" two-line handstamp across flaps and partial "21 MR" Franklin mark, red manuscript "4,16" rating with "16" crossed out, Salem manuscript "10/", the 4 dwt rate for 300-400 miles, rated 10 shillings in local currency; some minor splitting with hinge reinforcement, tiny paper removal on flap, Very Fine.
Estimate $400 - 600.