Phase
$500
SAM GILLIAM (B. 1933)
Phase
screenprint in colors, on Arches Cover paper, 1974, signed, titled and dated in pencil, numbered 12/16 (there were also three artist's proofs), published by John Doyle Gallery, Chicago
Sheet: 29 5/8 x 29 5/8 in. (753 x 753 mm.)