Temoinages pour lart Abstrait, Leon Degand, Published by Editions d'Art d'Aujourd'hui 1952.. Complete with all the30 pochoirs by a.o Magnelli, Arp, Sonia Delaunay, Dewasne, Deyrolle, Herbin, Robert Jacobsen, Lanskoy, Richard Mortensen, Serge Poliakoff, Nicolas de Stael, Vasarely. The Pochoirs by Dewasne and Poliakoff handsigned by the artists. Poliakoff's' pochoir signed, dated and dedicated to the daughter of his friend Robert Jacobsen. Furthermore with a dedication by Deyrolle to the daughter of Robert Jacobsen on the first page of the article about Deyrolle.. Bound in a private binding (executed in Denmark). In generally good condition although some of the pochoirs have discolourations from the opposite page. Provenance the artist Robert Jacobsen