(Hudson River Route 809) 1848 (Jun. 16) Hudson River N.Y. to Thorold, Canada, folded cover bearing 1847, 10¢ black, large margins to just shaving frameline at left, cancelled by blue manuscript "X", red "Hudson Riv. Mail N.Y. Jun 16" cds and matching "10" rating, exchanged with "Queenston Jun 18, 1848" double-arc datestamp and manuscript "4½" pence due rating, red Thorold (6.19) arrival backstamp; refolded at bottom, Very Fine; with 1999 P.F. certificate. Estimate  $1,000 - 1,500. This cover was carried by steamboat to Albany, where transferred to rail car for Buffalo. It was sent through the Queenston exchange office.The New York - Troy contract was renewed as Route 809 in 1845 at $13,570 a year. In 1846, the route agent datestamps were changed to the "Hudson River Mail" datestamps. During this contract, the first definitive adhesive postage stamps were issued. $0 (Image)