Color lithograph, 1973. 460x370 mm; 18x14 1/2 inches, full margins. Artist's proof, with different color combinations from the published edition, aside from the edition of 100. Signed in pencil, lower right. With the artist's blind stamp, lower left. Published by Alberto Caprini, Rome, with the blind stamp lower right. A superb impression of this scarce proof, with the color green used on the figure's armor, as opposed to the yellow in the published edition. Brandani 181.