Humboldt Express, 1863, 25c. blue, ample to large margins all around, affixed to legal-sized envelope from Star City to San Francisco, franked with pair of 1861 3c. Washington, cover struck with red PAID and choice strike of red oval “Langton's Pioneer Express / Star City”, reverse with yellow “LANGTON'S / PIONEER EXPRESS / FROM / Star City NT” label with city in manuscript, some small edge flaws, the Humboldt Express stamp not original to...

Jones & Russell's Pikes Peak Express Co. Denver City, 1859 (September 22), fair strike on cover to Westchester, Pennsylvania, franked with 3c. red, tied by neat Leavenworth City K.T. c.d.s., minor edge flaws, else fine.

L.H. Wells' Moore's Flat and Eureka Express, Connecting at Nevada City and Emigrant Gap, 1868 (circa),  ornate printed paid frank on 3c.pink  Nesbitt postal stationery cover to Sacramento, with printed return directive at left, postmarked with blue Graniteville c.d.s. (19 Mar), indicia cancelled by blue oval "Wells, Fargo & Co / Nevada" datestamp, slightly reduced at right, just touching indicia, rebacked, but a scarce conjunctive use...

Langton's Pioneer Express, Paid, ornate printed frank on 3c. Nesbitt entire to San Francisco, struck with "Langton's Pioneer Express / Downieville" oval in black, blue "Wells Faro & Co / Marysville" (1 Jul) double-oval datestamp at left, cover with some light overall aging, but a fine example of this less common printed frank, and a desirable conjunctive usage with Wells, Fargo at Marysville.

Overland via Los Angeles, four-horse illustrated stagecoach design, with “San Francisco” at top of coach and horses with banners reading “St. Louis” and “New York”, 1864 cover franked with 3c. dull rose, tied by black circular cancel, postmarked Stockton Cal (14 Sep), slightly reduced at left, adhesive with faults, but an attractive and uncommon printed route directive.

Pacific Stage & Express Co, Paid, printed frank with six horse stagecoach illustration, list of towns along route above, on 3c. postal stationery cover to San Francisco, struck with black rosette cancel, Nevada City Cal. c.d.s. alongside (10 Oct), small flaw at lower right, otherwise very fine and trivial given the rarity of this cover, of which only a small number of examples are recorded. 

Pescadero and Half Moon Bay Stage Co's Express, 1865 (circa),  oval frank struck in blue on 3c. pink Nesbitt postal stationery entire to San Francisco, a bold and fine example of this extremely scarce handstamp.

Sacramento, Cal. 40 large integral circular date stamp (30 Sep), struck on cover to Middletown, Maryland, reverse with oval "Forwarded / by / Hoffman & Co. / Express" handstamp, various edge flaws, opening tear through agent's handstamp, but a rare forwarding marking, with Thomas recording only seven examples from this company, which operated from Sacramento to Weberville and Placerville, eventually extending to Oregon; with 2003 P.S.E....

Sullivan's Dispatch Post, Cincinnati, Ohio, 1853, (2c) black on green, cut octagonally and affixed to folded letter datelined 18 June, 1853, postmarked with blue "Cincinnati O. 5 / Jun / 25" c.d.s., to Louisville, Kentucky, vertical filing folds, one through adhesive, of no importance given the unique status of this example, with Robson Lowe's handwritten guarantee on reverse, a rarity.   
 
Note: Three different types of the...

"VIA PANAMA" directive with illustrated sidewheel steamship design, 1860 (April 5), with imprint of Geo H. Bell, stationer, franked with 1859 10c green, tied by neatly-struck San Francisco c.d.s., to New York, reduced at top and sides and repaired in places, a few small edge tears, but a scarce illustrated route directive, with 1979 Philatelic Foundation certificate.

Wells, Fargo & Co, Ophir, Nevada Territory, circa 1864, blue oval datestamp on 3 c. pink postal stationery entire, with Wells Fargo printed frank at left, to Carson City, Nevada, with grey shaded all-over advertisement for “Hackett & Kendall / Dealers in General Merchandise / Ophir / Nevada”, upper right corner slightly clipped, otherwise very fine, a desirable cover, rare given the combination of the scarce blue Wells Fargo...

Wells, Fargo & Co, $1.00 red Pony Express, margins close to touching, affixed to 10 c. star die postal stationery entire with Wells, Fargo & Co. printed frank in red, adhesive tied by bold strike of “Pony Express / San Francisco / Aug 7” Running Pony datestamp in blue, indicia cancelled by green “St. Joseph MO.” c.d.s. (19 Aug), to Athens, New York, stamp has been lifted and replaced, and the Running Pony cancellation neatly improved...