57/99. Edition and signature lower in pencil. Giorgio De Chirico stamp lower left. Printer: Alberto Caprini. Alberto Caprini authenticity certificate. Publication: Giorgio De Chirico 1967 -1977 by Edoardo Brandani, Bora Edition, Bologna, 1990, p.194. Telemarket authenticity certificate on photo. Total Edition: 99 exemplary numbered from 1/99 to 99/99: 20 exemplary numbered from I/XX to XX/XX; 20 exemplary on China paper on Japon numberd from I/XX to XX/XX + some p.d.a.; 21 exemplary signed from A to Z + some p.d.a and some exemplary retouched by the artist.