Original cover art by Dave McKean from the Sandman: Preludes and Nocturnes, published by DC Comics, September 1991.
From the auction listing: “The wonderfully colored egg shaped stones are placed in a wooden printer’s typeface box, along with some sections of painted board that form the face of Morpheus looking out at you. The left half of the image was intended for the back cover, and indeed the driftwood was used, however, the sheet music was edited out in favor of a sheet of typed text reviews and quotes.”
Hypnos: the personification and god of sleep, son of Erebus, the primordial god of darkness, and Nyx, the goddess of the night, and twin brother of Thanatos, the personification and god of death; he was married to Pasithea, personification and goddess of relaxation and meditation; they had three children, the Oneiroi: Morpheus, god of dreams, Phobetor, god of nightmares, and Phantasos, god of surreal dreams; he and his brother resided in the Underworld, in a cave by the river Lethe; he was a calm and gentle god, and owned half of all mortal life
“Morpheus (/ˈmɔːrfiəs/ or /ˈmɔːrfjuːs/) is the Ancient Greek god of dreams, the one with the amazing ability of appearing in dreams of mortals in any form. As his name implies – the Greek word “morphe” means “form” – he was the one who shaped and formed the dreams. According to the Greeks, Morpheus was born of Nyx, the personification of Night. The Romans believe, however, that Morpheus was the son of Somnus, the personification of Sleep, who was in turn a child of Nyx. Regardless of his parentage, Morpheus is said to have numerous siblings, collectively known as the Oneiroi (the Greek word for dream, incidentally, being oneiros). Apart from Morpheus, two other Oneiroi can be identified by their names – Phobetor and Phantasos.”