Sonia Terk Delaunay (France/United States/Russian Federation/Ukraine, 1885-1979) Orphic lithograph in colors on Arches paper titled "Work", depicting two perpendicular lines bisecting black, white, red, green, and yellow circles over a central bullseye. Numbered 18/75 in pencil, lower left under image, signed in pencil, lower right under image. Arches watermark center right margin (slightly obscured by mat). Each edge partially secured to off white mat with old masking tape and housed under glass in a metal frame. Sight – 27 1/8" H x 21 1/4" W. Sheet – 28 3/4" H x 23 1/4" W. Framed – 30 3/8" H x 24 1/4" W. Third quarter 20th century. CONDITION: Overall very good condition with light toning. Areas of old tape residue to each edge.