(Denver Pacific) Den. Pacific R.P.O., May 29, cds and negative star duplex canceling on 1870, 3¢ green entire to Oskaloosa, Iowa, 1871 year docketing at left; light staining at upper left and missing most of backflap, otherwise Very Fine. Estimate  $150 - 200. Chartered in the fall of 1867, on June 24, 1870, the Denver Pacific was the first railroad to reach Denver. This provided a rail connection to the Union Pacific at Cheyenne, Wyoming. $0 (Image)