(Alabama River Route 7003) Cahaba, Alabama Pictorial Steamboat Marking, datelined folded letter carried via Old Point Comfort and Richmond to Potomac Creek to be put onto Route 1901 for Washington, double strike of red "Steam" straightline handstamp and manuscript "18¾" rating; taped cover tears at bottom, light toning, otherwise F.-V.F.; with clear 2002 P.F. certificate. Estimate  $750 - 1,000. A RARE EXAMPLE OF THIS ILLUSTRATED CAHABA STEAMBOAT MARKING. Contrary to regulations, the Cahaba postmaster used a pictorial handstamp of a steamboat in lieu of the mandated "Steam" or "Steamboat". Three varieties are known, of which this is the earliest type. $0 (Image)