Southern Overland Mail & Express Co., Barlow & Sanderson Proprietors, Principle Office, Pueblo, Col. Ter., corner card on cover with illustrated design showing Six Horse Stage on Mountain Road, Stage with "Overland U.S. Mail/B.&S." imprint, to Auburn, N.Y. franked with 1¢ Banknote tied by blue cork handstamp, matching "Del Norte, Colo., Nov 13" postmarks; stamp corner nick and missing two other 1¢ stamps, F.-V.F. appearance, still a rare illustrated stagecoach design from this Colorado Stage and Express company, ex Perrson. Estimate  $500 - 750. Barlow and Sanderson was a dominant express company in southern Colorado and the San Juan Mountain region. It eventually gave way to the advancing railroads. $0 (Image)