Ochre, Magenta and Turquoise with Grey; (Horizontal)

Bridget Riley (b. 1931) Ochre, Magenta and Turquoise with Grey; (Horizontal) signed and dated 'Bridget Riley '72' (lower right), titled 'Ochre, Magenta and Turquoise with grey; (Horizontal).' (lower left) gouache and pencil on paper 27½ x 27¼in. (69.9 x 69.2cm.) Executed in 1972