Wells, Fargo & Co, Virginia City Pony Express, 1862-4, 25c blue, mostly full margins all around, close at right, tied to 3c Wells, Fargo & Co. 3c pink postal stationery cover with printed frank, cancelled by "Wells, Fargo & Co Aurora / Express" oval in blue, from the Crittenden correspondence, to C.C. (Clara Churchill) Crittenden in San Francisco, manuscript notation at left "No 1313. Taylor St / Read & let no one else", the odd trivial light crease, repaired tear at top, torn above adhesive, a rare and attractive cover, written in the hand of her son, Howard.