Nineteen Greys B (Schubert 8b)

Bridget Riley (b. 1931) Nineteen Greys B (Schubert 8b) screenprint in colours, 1968, on card, signed, titled, dated and inscribed 'Artist's Proof' in pencil, aside from the edition of 75, printed to the edges of the full sheet, remains of glue along the right sheet edge, minor scuffing to the surface, otherwise generally in good condition S. 762 x 762 mm.