Wells Fargo and Company, Denver Col., Feb 26, 1872, blue double circle date stamp on 1870, 3¢ green entire to Sacramento, Cal., Very Fine, a very rare usage of the later circular Denver express handstamp. Estimate  $500 - 750. Wells Fargo & Co. carried mail under government contract and thus there was very little need for letters to be directly handled by Wells Fargo. Therefore, only a small number of covers with a Wells Fargo handstamp or frank have been found used from Colorado. $0 (Image)