Denver Colo. Aug. 24., cds with matching fancy cancel tying 3Ā¢ Banknote (s.e. at right) on cover with red & blue illustrated campaign banner and torches ad with ad text on reverse, to Fort Collins Col. with 1880 receiving backstamp; cover slightly reduced at left, Very Fine and attractive. EstimateĀ $300 - 400. $0 (Image)