Bridget Riley
4 Colours (9 Whites, 3rd Group) Study 2 for Summer Paintings, 1983
gouache and pencil on paper
43 7/8 x 31 3/4in.
111.5 x 80.8cm
Signed
gouache and pencil on paper
43 7/8 x 31 3/4in.
111.5 x 80.8cm
Signed