SF Encyclopedia Picture Gallery
Italo Calvino. The Non-Existent Knight and The Cloven Viscount (London: Collins, 1962) [omni of Il Cavaliere inesistente (1959) and Il Visconte dimezzato (1951), each trans by Archibald Colquhoun: hb/nonpictorial]
Image courtesy of Clute Science Fiction Library at Telluride