"Prometheus Unbound" was a collaberation between Villon and the printer Paul Haasen. It reproduces a painting, a study for the decoration of the Technical School de Cachan.
The black keystone was drawn on the stone by Haasen and hand stenciled and colored by Villon. It was done in very few proofs and the proposed portfolio was never published. This proof is done using gold leaf.
Prometheus was a Titan in Greek mythology, best known as the deity in Greek mythology who was the creator of mankind and its greatest benefactor, who stole fire from Mount Olympus and gave it to mankind. "Prometheus Bound" is an ancient Greek tragedy, mostly attributed to the 5th century BC Greek author Aeschylus.
"Prometheus Unbound" was a lyrical drama based on the myth, written by Percy Shelley, first published in 1820. It is concerned with the torments of the Greek mythological figure Prometheus, who defies the gods and gives fire to humanity, for which he is subjected to eternal punishment and suffering at the hands of Zeus. He was bound to a rocky crag on the shores of Ocean in the trackless waste of Scythia.