signé en bas à droite "Vasarely", doublement contresigné, titré, daté et annoté au dos "Vasarely, Pilla, 1975, n°2894"


Acrylic on cardboard mounted on panel
signed lower right "Vasarely", twice countersigned, titled, dated and inscribed on the reverse "Vasarely, Pilla, 1975, n°2894"
39,50 x 68 cm (15,41 x 26,52 in.)