Aquatint and etching. 33/50. Signed lower left in pencil: CHILLIDA, also with artist's sign. Image 66.8 × 68.5 cm on Fabriano wove paper (with the watermark) 70 × 99.8 cm. Published by Edizioni Grafiche, Rome. Printed by 2RC Stamperia d'Arte, Rome (with the blind stamp).