(Cheyenne, Hughes & Denver) Chey., Hughes & Den., Agt., Jul 3, full bold cds on 1880 cover to East Homer, N.Y., franked with 1873, 3¢ green tied by cork handstamp, with "Colorado House, In The Railroad Block, Greeley, Colorado" corner card, statehood usage, with original enclosure, Very Fine, a choice strike of this railroad postmark. Estimate  $200 - 300. $0 (Image)