Victor Vasarely, Beryll, 1965, colour screenprint; recipient of the Grand Prix, 6th International Exhibition of Graphic Arts, Ljubljana, 1965.
The exhibition included sixteen prints from the Lapidaire (1965/66) and CTA 102 (1965/66) cycles. Vasarely’s work can be called permutational art, in which products are created by combining simple elements of limited diversity according to the artist’s preconceived collection principle. According to his theory, there is an inseparable connection between form and colour, which he names “plastic unity” and considers to be the basis for an infinite number of compositions and their repetitions. In Vasarely, op art gained its finest representative.