Original screenprint with geometric relief embossing on wove paper, unsigned.
Numbered in pencil at the bottom left.
Published in 1961 on the occasion of an exhibition by Vasarely
at the Galerie der Spiegel in Cologne, West-Germany.
Printed by the Atelier Domberger in Stuttgart, West-Germany.
Catalogue raisonné: Pedro Benavides n°518a