(1923 Barcelona - 2012 ibid) "Matière et Graffiti" (Material and Graffiti). Original title Aquatint and Carborundum/Velin, 1969. Signed and numbered 25/75. Published by Maeght Editeur, Paris; printed by Arte, A. Maeght, Paris. Catalogue raisonné Galfeffi I, 191. Slightly toned, with light toning along the wide margins, minor creases, and stains. Plate size approximately 35 cm x 50.2 cm; sheet approximately 57.5 cm x 77.8 cm. One copy can be found, among others, at the MoMA in New York. Aquatint and carborundum on woven paper, 1969. Hand-signed and numbered 25/75. Slight light toning, further minor flaws, creases, and stains to the wide margins.