Lot
422 
Steamboat Marking Covers, 1820-45, group of four stampless folded letters; includes 1820 N.Y. to Albany with manuscript Steam Boat endorsement, 1829 Hartford, Ct. to N.Y. with small red "Steam Boat" straight line handstamp, 1833 N.Y. to Albany with red two-line "Steam Boat" and 1845 N.Y. to Boston with red "Steamer 5" in oval handstamp, generally Very Fine. Estimate $150 - 200.