Per Cars. Manuscript endorsement on 1839 cover to Taunton, Mass., endorsed on reverse "The Conductor of the Car is requested to take this to Mr. B. immediately", Very Fine, an interesting early railroad "express" usage, before organized expresses operated, railroad conductors were entrusted with letters and small packages to be delivered along the route, William F. Harden, the father of Express Companies. was a conductor on an early Boston railroad. Estimate  $150 - 200. $0 (Image)