Robert Mangold (B. 1937)

Robert Mangold (B. 1937) 2 180° Arcs signed, titled and dated '2 180° Arcs R. Mangold 1974' (lower left) colored pencil on paper 23 x 29 in. (58.4 x 73.7 cm.) Drawn in 1974. 1 180° Arc 1 90° Arc signed, titled and dated '1 180° Arc 1 90° Arc R. Mangold 1974' (lower left) colored pencil on paper 23 x 29 in. (58.4 x 73.7 cm.) Drawn in 1974. 2 90° Arcs signed, titled and dated '2 90° Arcs R. Mangold 1974' (lower left) colored pencil on paper 23 x 29 in. (58.4 x 73.7 cm.) Drawn in 1974. 2 90° Arcs signed, titled and dated '2 90° Arcs R. Mangold 1974' (lower left) colored pencil on paper 23 x 29 in. (58.4 x 73.7 cm.) Drawn in 1974.