Wells, Fargo & Co, Pony Express, $2.00 red, large  margins on three sides, clear at right, tied to 10c Nesbitt entire (U16) by crisp blue "Pony Express Sacramento / May 26" oval, endorsed "per Pony Express" in manuscript, carried to St. Joseph, Missouri, where it was struck with neat green "St. Joseph Mo. / Jun / 6" c.d.s., thence to Boston, without backstamps, an exceptionally fresh Pony Express cover; with 1981 Philatelic Foundation Certificate.  FKW Census E85.  This cover was carried on the May 25 departure from San Francisco, arriving in St. Joseph on June 6. It is one of three recorded examples conveyed on that journey.