Jones & Russell's Pike's Peak Express Co., Denver City (K.T.), virtually clear July 29, 1859 express company datestamp, used with 3c Red on buff Nesbitt entire (U10), cancelled by sharply struck Aug. 8, 1859 Leavenworth City K.T. datestamp, on cover with enclosure datelined July 17, 1859 'Near the Gregory diggings (sic) on a branch of Clear Creek, Nebraska Territory', to Charlotte Centre N.Y., contents an interesting 4 pg. letter from a miner describing his trip across the plains, buffalo, Indians and mining, insignificant edgewear, fresh and very fine, very scarce in this condition, carried on the first eastbound run of the express company, which operated to the Pikes Peak area of Colorado, 1859 to 1860, illustrated in Nathan