Medium: color pochoir. Printed in Paris for the Temoignages pour l'art abstrait project (Witnesses for Abstract Art), published in 1952 by Editions d'Art d'Aujourd'hui, in an edition of 1500. The sheet size, including margins: 9 3/8 x 7 3/4 inches (240 x 195mm). This is a splendid and richly inked impression on wove paper, and now quite rare. Not signed (the artist's name is printed in text beneath the image).