Wells, Fargo & Co, Pony Express, c. 1861, oval “Pony Express / St. Joseph” running horse datestamp (May 2), three strikes on piece, written in manuscript “5$ for ea. letter sent to San Francisco on this ex ERH”, reverse with four strikes of oval “The Central Overland California / & Pike’s Peak / Express Company / St. Joseph. MO.” (April 30), with manuscript notation “Stamp on tickets to Pike’s Peak “Denver City” (?) to go through in 7 - Price $100.00 - ERH”, file folds, unusual.