(Riverside) Wells, Fargo & Co's Express, Riverside, Cal., Apr. 28, 1888, exceptional bold purple oval date stamp on 1887, 2¢ green entire to the very rare location of Seven Palms which is located north of Palm Springs, printed frank (WFE-060) at top; missing most of backflap, otherwise Extremely Fine, Riverside is unlisted in Leutzinger, it is believed that one other example may exist from this location. Estimate  $200 - 300. $0 (Image)