Canyon City, Colo., Mar 8, cds and matching target handstamp tying 1870, 3¢ green on cover to La Moille, Ill., Very Fine for this, as nice as this postmark comes. Estimate  $100 - 150. The correct spelling is Canon City. Although this device was in use for more than three years, the few recorded strikes are all of similar quality. $0 (Image)