Firebird (Schubert 9)

Bridget Riley (b. 1931) Firebird (Schubert 9) screenprint in colours, 1971, on wove paper, signed, dated and titled in pencil, inscribed Artist's Proof, aside from the edition of 75, published by the artist, with wide margins, some soft creasing in the left and right margins, a small stain at the extreme lower sheet edge, otherwise in good condition I. 663 x 952 mm., S. 764 x 1010 mm.