Denver City C.T. Nov 19, three strikes of cds in blue tie 1Ā¢ blue, dot-in-u, pl. 9 (63 var.) top margin pair and single, on circa 1861 orange buff cover to Binghampton N.Y.; some faults, a Fine Colorado Territorial use, ex-Lehman, Haas, Lee. EstimateĀ $300 - 400. This was the first Denver postmark used with the Colorado Territory designation. According to Jarrett, the last reported use of this device was December 31, 1861. $0 (Image)