Acrylic on canvas painting by Julian Stanczak, 1928 to 2017, a Polish-born American artist, one of the central figures in the Op Art movement in the U.S. The artwork represents an abstract geometrical composition in black and blue. Titled Double Focus II. Signed by the artist and dated 1963 on the backside. Provenance: private collection of Richard Anuszkiewicz. Collectible Mid Century Modernist Fine Art.