Etching on Arches paper, embossed white lines on a blue background.
Hand-signed and dedicated to Joan Barbarà.
Published by Gustavo Gili, Barcelona.
Bibliography: Rainer Michael Mason: "Hans Hartung. Les Estampes – Catalogue raisonné."
Fondation Hans Hartung et Anna-Eva Bergman, Antibes, 2010. Cat. no. RMM 303.
