Untitled, 1959 - Mixed media on heavy paper, 70 x 100, on the back handwritten inscription ‘Achille Perilli 1959 Vicolo San Nicolò da Tolentino 13 Roma, bottom left stamp “Galleria d'Arte La Tartaruga”Signature and dateThe work is accompanied by an authentication on a photograph by the artist dated Orvieto 12/12/05 and inscribed with number 71 in the general catalogue of works on paper of 1959Provenance: Private collection