This image was recently shared by J. Henderson on the Spelljammer Facebook Group on March 17th. The image’s origin were bit of a mystery to the members of that group but J. Fägerquist surmised that it might be from a 1980s graphic novel series, “Storm,” by British comic book artist Don Lawrence (1928 – 2003).
After a bit more research and a query on Facebook, it is definitely from Storm. Marrow is “a crystal-shaped planet, home of the Barsaman-games.” -Wikipedia
Enjoy! -RPB

Great illustration, very bizarre.