Edgerton Col., July 7, 74, manuscript postmark canceling 1873, 3¢ green, two singles on cover to London, England, red New York exchange and London entry cds's, with original enclosure, Very Fine, a very scarce foreign destination usage from Colorado territory. Estimate  $300 - 400. Edgerton was the first station north of Colorado Springs on the Denver and Rio Grande Railroad. Only manuscript territorial postmarks are known. $0 (Image)