Color lithograph, 1957. 610x430 mm; 24 1/8x17 inches, full margins. Artist's proof, aside from the edition of 50. Signed and inscribed "Prova d'artista" in pencil, lower margin. Printed by Kratz, Zurich. Published by L'Oeuvre Gravée, Paris, with the blind stamp lower left. A very good impression with strong colors. Guastalla 69.
