[from London, too late for the Pony Express] letter to San Francisco headed "London, 2 November 1861" (image here) and "p (Cunard Steamer) Niagara & Pony Express" and with additional "p Pony Express" endorsement on the address leaf of letter sent under separate cover via a forwarding agent in New York City, at New York City they realized the Pony Express had just stopped running (Wells Fargo announced the termination of the Pony Express on 26 October) and they corrected the address leaf endorsement to read "Overland Mail via St. Joseph Mo," letter posted by the forwarder with 10c Green, Type I (#62B) tied by New York 18 November postmark

ex David New (Image)