Achille Perilli (Rome 1927 - Orvieto 2021) "The Crystal Prison" 1966 oil and mixed media on canvas cm 40x30 Signed and titled 66 lower right Signed, titled and dated 1966 on the reverse Provenance Marlborough Art Gallery, Rome Galleria La Sfera, Modena Private collection, Modena Literature G. Appella "Achille Perilli. Catalogo Generale dei dipinti e delle sculture 1945-2006" Milan, Silvana Editoriale, p. 134, n. 670 colour ill. This work is accompanied by a photo-certificate issued by the artist, dated 10-11-1991 and registered with the n. 41 of the year 1966 in the artist's catalogue.