Nineteen Greys C (S. 8c)

Bridget Riley (b. 1931) Nineteen Greys C (S. 8c) sreenprint in colours, 1968, on card, signed, titled, dated and inscribed 'Artist's Proofs' in pencil, aside from the edition of 75, printed to the edges of the full sheet, traces of glue at the lower sheet edge, a few creases at the lower right corner, otherwise generally in good condition S. 762 x 762 mm.