C. & O. Coast Overland Mail Company. Two 1870's illustrated advertising covers to Oregon showing six-horse stagecoach scene; one with "Office of J.L. Sauderson & Co." imprint mailed from Roseburg, Or. to Lakeview, other with "Office of Barlow & Sauderson" imprint from Yreka, Cal. to Jacksonville, Or.; cover wear and tears, Fine and scarce. Estimate  $100 - 150. $0 (Image)