Re-Birth by Josh Kirby

Done in 1974
Unpublished.
Possible cover concept for the novel by John Wyndham.

Ronald William "Josh" Kirby (1928 – 2001) was a British artist. His career spanned 60 years, and he is best known as the cover artist for Terry Pratchett's Discworld novels.
His first published book cover art was for the 1955 science fiction novel Cee-Tee Man, by Dan Morgan. In 1956, he created a cover for Ian Fleming's book Moonraker. He worked for publishers including Panther, Corgi, Four Square and NEL/Mayflower, and he illustrated over 400 covers for authors including Brian Aldiss, Isaac Asimov, Ray Bradbury, Stephen Briggs, Edgar Rice Burroughs, Craig Shaw Gardner, Ron Goulart, Robert Heinlein, Alfred Hitchcock, Jack Kerouac, Ursula Le Guin, Richard Matheson, Guy de Maupassant, Terry Pratchett, Robert Rankin, Jimmy Sangster, Jules Verne, and H. G. Wells.