Central Overland California & Pikes Peak Express Company Jul 12 (1860) Denver City K.T. Clear oval handstamp on yellow cover franked with 1857 3¢ dull red tied by blue "Saint Joseph, Mo." cds with "Hinckley & Co.'s Express/Jul 13, 1860/Denver City"cds alongside, right ¼ inch of cover has been added including stamp, however strikes are very fine, Fine, cover was carried by COC & PP Express to Denver and turned over to Hinckley who carried to St. Joseph. Estimate  $300 - 400. $0 (Image)