The "Erivan" Collection of Western Postal History

five-line woodblock handstamp on cover to New York City, circular "Jones & Russell's Pike's Peak Express Co. Denver City Apr 26 1860" handstamp covered with 3c Dull red (26, since moved slightly to display marking), same marking with May 3 date at top, entered the mails with blue "Saint Joseph Mo. May 10 1860" datestamp (second strike ties stamp), very fine, an extraordinary cover, one of just three recorded examples of this eye-catching marking