This eBay auction offers the original painting that served as the cover art for Castle Wolfenstein, Muse Software's Apple II, DOS, Atari 8-bit, and Commodore 64 seminal stealth game that served as an inspiration for id Software's Wolfenstein 3D. The auction is being offered by Walter "2" Costinak, a friend of the site who contributed countless pieces of art over the years, though he is not the artist who created this painting.