28 7/8 x 43 1/8in (73.3 x 109.5cm) sheet 30 3/8 x 44 3/4in (77.3 x 113.7cm) ...

Starting in the early 1960s, British artist Bridget Riley began exploring a style of art based upon simple geometric forms such as squares, lines, and ovals. Known as Op-art, the works created in this ...

Sheet: 30 1/4 x 44 3/4 in. (76.8 x 113.7 cm.), Frame: 40 x 53 1/2 in. (101.6 x 135.9 cm.) ...