Limited edition catalogue printed by Ediciones Polígrafa, Barcelona for an exhibition of prints at The Redfern Gallery, London by artists working with Polígrafa. Contains 20 unsigned, original prints by the following artists: Miró, Bird, Camacho, Castillo, Chillida, Christo, Guinovart, Hernández Pijuan, Lam, Matta, Moore, Ponç, Ráfols Casamada, Sutherland, Tamayo, Tàpies, Télémaque, Velickovic, Vieira da Silva and Zao Wou-ki. The book was finished in Barcelona on 23rd October, 1979. The English edition for Redfern was limited to 1,000 copies.