Wow, they really went all-out with cover variations, huh? Most unusual for 1981. I've got old copies with I think four different covers myself. Most of them are like most of those, with a shiny foil-type "frame" around the Amsel one-sheet art (the different versions being different colors of foil); the other one has a black cover with a photo of Indy and Marion in the Raven across the lower part of the cover.