Bridget Riley
Coloured Greys [3] 1972
Colour screenprint
57.1 × 58.9 cm | 22 1/2 × 23 1/4 in (image)
69.8 × 73.3 cm | 27 1/2 × 28 7/8 in (sheet)
69.8 × 73.3 cm | 27 1/2 × 28 7/8 in (sheet)
Edition of 125 plus 10APs