Edward Ruscha (born 1937) Yes (E. 139), 1984 Lithograph in colors Rives BFK paper, signed in pencil, dated '84' and numbered 11/25 (there were also 9 artist's proofs), with the blindstamp of the printer, Ed Hamilton, Hollywood, with full margins, framed. 17 5/8 x 26in sheet 22 3/8 x 30 1/8in