At the back signature, year and Galerie Thomas, Munich, and Martha Jackson Gallery, New York, labels. Publications: J. Teixidor, Antoni Tapies. Fustes, papers, cartons, collages, Barcellona 1964, p. 172 (illustrated); P. Gimferrer, Tapies i l'esperit català, Barcellona 1974, p. 218, pl. 235 (illustrated); A. Augustì, Tapies. Catalog Raisonnè, Barcellona 1990, vol. II, p. 209, n. 1297. Exhibitions: Rome, Galleria Il Collezione, Antoni Tapies, 1971, cat., p. 44-45, n. 5pm (illustrated). Provenance: Sala Gaspar, Barcelona; Martha Jackson Gallery, New York; Toninelli Gallery, Rome; Il Collezionista Gallery, Rome; Private collection, Florence.