Untitled 1980 Painting on paper Kraft 28 x 38 cm Signed Certified by the Tàpies Foundation	Mixed media on paper 48,5 x 58,5 cm signed	1973 Etching and carborundum 56 x 76 cm Edition 75 Signed and numbered Certified by the Publisher
1988 Etching 50 x 65 cm Edition 85 Signed and numbered