George Lucas' 23-year-old explanation of one of Star Wars' most important Sith completely changes the Sith in Star Wars—and Anakin's fall.

For an estimated $200,000-300,000, this screen-worn Stormtrooper helmet—recently exhibited at the Reagan Presidential Library—could be yours. And so could questions about representation of Empire!

George Lucas' original 12-movie plan, detailed in the 1970s, would have taken the Star Wars galaxy in a different direction.