Lot 29Philadelphia, Pa., U.S.P.O. Despatch, 1850-52, 1¢ blue, margins large to in at sides, on docketed 1853 folded letter to Williamsburgh, Pa., manuscript "5" rate and Philadelphia postmark unusually absent, F.-V.F., the latest recorded usage of the Philadelphia "blue" carrier issue; with 2010 P.F. certificate.
Scott No. 7LB12 Estimate $200 - 300.