Central Overland California & Pike's Peak Express Co., Denver City K.T., Jun 5, oval date stamp on cover to Anamosa, Iowa, franked with 1857, 3¢ dull red tied by blue "Saint Joseph, Mo., Jun 13, 1860" cds, with original three page enclosure from prospector who mention traveling to Golden City, Boulder and Golden City, Very Fine and choice. Estimate  $750 - 1,000. $0 (Image)

Central Overland California & Pike's Peak Express Co., Denver City K.T., Oct 16, full well struck oval date stamp on cover to New York City, yellow express label with "The Only Through Express, Direct your Letters Care C.O.C. & P.P. Express, St. Joseph, Mo. or Leavenworth, K.T." inscription, additional "The Central Overland California & Pike's Peak Express Company St. Joseph, Mo., Oct 22" receiving oval, entered the mails with 1857, 3¢ dull red tied by Saint Joseph, Mo., Oct 23 cds and matching grid handstamp, forwarded to Maine with "New York Oct 20, 1860" cds and manuscript "Fowd 6"; top portion of cover restored and backflap replaced, Very Fine appearance, the only example of the Central Overland California & Pike's Peak Express label in yellow on cover. Estimate  $5,000 - 7,500. $0 (Image)

Central Overland California & Pike's Peak Express Co., Denver City K.T., Nov 6, oval date stamp on front and reverse of 1853, 3¢ Nesbitt entire to Philadelphia, Pa., magenta express label with "The Only Through Express, Direct your Letters Care C.O.C. & P.P. Express, St. Joseph, Mo. or Leavenworth, K.T." inscription, entered the mails with "Leavenworth City, Kas, Nov 18" cds canceling indicia; barest cover reduction at right, Very Fine, a lovely example of the Central Overland California & Pike's Peak Express label in magenta on cover, with only three examples recorded. Estimate  $5,000 - 7,500. $0 (Image)

Central Overland California & Pike's Peak Express Co., Denver City K.T., Nov 20, oval date stamp on 1853, 3¢ Nesbitt entire to Milwaukee, Wis., with additional "Central Overland California & Pike's Peak Express Co., St. Joseph, Mo., Nov 26" receiving oval date stamp, uprated with 1857, 3¢ dull red and entered the mails with "Saint Joseph, Mo., Nov 27" cds, matching grid handstamps canceling and tying adhesive, reverse with additional undated strike of the Denver City express oval used as a prepaid frank; small tear in 3¢ adhesive at top, otherwise Very Fine, ex Barkhausen. Estimate  $1,500 - 2,000. $0 (Image)