54. 54AR DARIO VILLALBA (born 1939) La oración 1974 Photographic emulsion Oil, aluminium foil and methacrylate Fotografische emulsie Olie, aluminiumfolie en methacrylaat 170 x 110 x 40 cm Provenance / Herkomst Private collection / Privécollectie, Brussels Exhibition / Tentoonstelling Darío Villalba. Una visión antológica 1957-2007, Museo Nacional Centro de Arte Reina Sofía , Madrid from 13 March to 14 May 2007, a similar work of different dimensions from the Museum's collection was presented at the exhibition.