[The Central Overland California & Pike's Peak Express Company], Denver City, K.T. Jun 2 1860 oval transit datestamp on cover from the mines to Wisconsin, originated from the mines with Hinckley & Co's Express Denver City "Jun 2" datestamp and manuscript "H," sideways, endorsement next to the handstamp indicating express fees prepaid, after carriage by Hinckley's to the COC&PP office in Denver, the cover was carried east and entered the mails with 3c dull red (#26) tied by blue Saint Joseph Mo postmark, conjunctive use

(MWE Figure 12-20), ex Walske (Image)

[The Central Overland California & Pike's Peak Express Company], Denver City, K.T. Jun 28 1860 oval datestamp on cover to Ohio, entered the mails with 3c dull red (#26) tied by blue Saint Joseph Mo Jul 5 postmark, cover reduced slightly at left, PF cert

ex Walske (Image)

[The Central Overland California & Pike's Peak Express Company], Denver City, K.T. Jul 31 1860 oval datestamp on 3c red Nesbitt entire, sender endorsed "via Overland" to California, entered the US mails with Saint Joseph, Mo Aug 9 1860 postmark, at this date the overland route from Saint Louis was the Southern Butterfield route, San Francisco "Due 7" handstamp, an exceptional westbound use

ex Walske (Image)

[The Central Overland California & Pike's Peak Express Company], St Joseph, Mo. Nov 17 (1860) oval transit datestamp on westbound cover addressed to Mountain City, Jefferson Territory, cover had been mailed with blue Brownsville, Nebraska Territory Nov 13 postmark and 3c dull red (#26) tied by matching cancel, sender endorsed at foot "Via St. Joseph & COC & PP Express," very fine

ex Walske (Image)