Triangles Red and Blue, 1969. 561x557 mm; 22 1/8x21 7/8 inches, full margins. Artist's proof, aside from the edition of 125. Signed and inscribed "A.P." in pencil, lower margin. From the same-titled portfolio * Yellow Rectangle, Blue Square. 250x710 mm; 11 1/4x28 inches, full margins. Artist's proof, aside from the edition of 125. Signed and inscribed "A.P." in pencil, lower margin. Both very good impressions with strong colors.
