Yaacov Agam 2 +3 = 4, 1981 Polymorphic Graphic Sculpture 35 11/25 × 24 81/100 in 90 × 63 cm Edition of 180 This work is part of a limited edition set Hand-signed by artist, This work is hand-signed by Yaacov Agam (Rishon LeZion, 1928 - ) in the lower right corner