Philip Wetton (British/American, 1944-2012), Abstract Composition, Silkscreen in Colors, 1969, depicting a geometric pattern of circles and squares in reds, purples, and greens creating a three-dimensional effect, signed in pencil "Wetton" and dated lower right and marked "Artists Proof" lower left, white-painted wood frame. Image: 22" H x 21.5" W; frame: 30.5" H x 30" W. Provenance: From a New York City Collection. Keywords: 20th Century School, Prints, Multiples, Op Art, Optical Art, Computer Art, Sue Gollifer, Post-War & Contemporary Art