Rare Star Wars Photo: David Prowse as Darth Vader

This photo shows David Prowse without his Darth Vader helmet. This photo belongs to Ann Skinner, who was the continuity supervisor on the original 'Star Wars' set and would be displayed through Jan. 4 in London in the Atrium at BFI Southbank as part of BFI's sci-fi festival 'Days of Fear and Wonder.'