δ Bridget Riley (b.1931) Untitled (Elongated Triangles 4) (Tommasini & Gubay 13)

δ Bridget Riley (b.1931) Untitled (Elongated Triangles 4) (Tommasini & Gubay 13) Screenprint in colours, 1971, signed and dated in pencil, numbered from the edition of 75, printed by Kelpra Studio, London, with their inkstamp verso, on wove paper, with full margins, sheet 1036 x 422mm (40 3/8 x 16 5/8in) δ This lot is sold subject to Artists Resale Rights, details of which can be found in our Terms and Conditions.