Latham, Col., May 24, 1870, double circle date stamp with matching circular killer tying 1869, 3¢ ultramarine on cover to Denver, Col., with "Denver Pacific R'y Co., Superintendent's Office, Evans, Colorado" oval corner card; cover missing backflap and slightly reduced at left and top, otherwise Very Fine, the latest recorded example of this short lived postmark, known used between January and May of 1870. Estimate  $200 - 300. This cancel is eight days after the official move of the post office to Evans, a short distance to the west and located on the Denver Pacific Railway. At Latham, roads led northward to Wyoming, west to Boulder and south to Denver. $0 (Image)