143L3, Wells, Fargo and Co. Pony Express, 1861 $1 Red, single tied by blue "Pony Express Sacramento Sep 15" oval datestamp with second strike at right, on 10c Green Star Die (U33) entire with red printed Wells Fargo frank to New York, "Atchison Kan. Sep 27" double circle datestamp, October 3 docketing FKW Census #E161 2022 Philatelic Foundation certificate