"Group of Riders" Graphite on paper under glass Signed and inscribed in pencil lower right: Geo. Phippen, "To Paul with Best Wishes from Geo. Phippen," and with the artist's device, titled on a gallery receipt Sight: 17.25" H x 23.5" W Provenance: The May Gallery, Scottsdale AZ Private Collection Palm Springs, CA, purchased from the above, March 7, 1987 Notes: A sales receipt from May Galleries accompanies this lot. The Cowboy Artists of America is an exclusive organization of artists that was founded in 1965 by four prominent western artists, Joe Beeler, Charlie Dye, John Hampton and George Phippen.