A promotional C-3PO helmet from 1983, estimated at £15,000-25,000, goes on view at Sotheby's in London. Highlights from Sotheby's Star Wars Online sale are on view until 11 December, featuring posters, toys and props from the original trilogy. Getty Images
A prototype Imperial Stroomtrooper helmet from 1976, estimated at £30,000-60,000, goes on view at Sotheby's in London, England. Highlights from Sotheby's Star Wars Online sale are on view until 11 December, featuring posters, toys and props from the original trilogy. Getty Images
Star Wars posters ranging from £100 to £24,000 go on view at Sotheby's in London, England. Highlights from Sotheby's Star Wars Online sale are on view until 11 December, featuring posters, toys and props from the original trilogy. Getty Images
A Sotheby's employee adjusts 'The Empire Strikes Back' Special character gauge of 1978-79, as part of the Star Wars auction in London. Sotheby's will now host its second sale dedicated to 'Star Wars' collectibles, titled 'Star Wars Online'. AP Photo
A Sotheby's employee looks at "The Empire Strikes Back" character size chart from 1978, estimated at £10,000-£15,000, from the archive of Roger Nichols, who was the special effects designer for the film during a photocall at Sotheby's in London, Britain. Reuters
A Sotheby's employee is seen during a photocall at Sotheby's in London. Reuters
A Sotheby's employee poses with a "The Empire Strikes Back" Toy figures and a Millenium Falcon toy shop display from 1980, estimated at £7,000-£10,000, during a photocall at Sotheby's in London. Reuters
A Sotheby's employee holds a C-3PO helmet of 1983 as part of the Star Wars auction in London. Sotheby's will now host its second sale dedicated to 'Star Wars' collectibles, titled 'Star Wars Online'. AP Photo
A Sotheby's employee looks at the original Star Wars posters as part of the auction in London. Sotheby's will now host its second sale dedicated to 'Star Wars' collectibles, titled 'Star Wars Online'. AP Photo
A Sotheby's employee holds a Head of Card Vader of 1999 as part of the Star Wars auction in London. Sotheby's will now host its second sale dedicated to 'Star Wars' collectibles, titled 'Star Wars Online'. AP Photo
A promotional C-3PO helmet from 1983, estimated at £15,000-25,000, goes on view at Sotheby's in London. Highlights from Sotheby's Star Wars Online sale are on view until 11 December, featuring posters, toys and props from the original trilogy. Getty Images
A prototype Imperial Stroomtrooper helmet from 1976, estimated at £30,000-60,000, goes on view at Sotheby's in London, England. Highlights from Sotheby's Star Wars Online sale are on view until 11 December, featuring posters, toys and props from the original trilogy. Getty Images
Star Wars posters ranging from £100 to £24,000 go on view at Sotheby's in London, England. Highlights from Sotheby's Star Wars Online sale are on view until 11 December, featuring posters, toys and props from the original trilogy. Getty Images
A Sotheby's employee adjusts 'The Empire Strikes Back' Special character gauge of 1978-79, as part of the Star Wars auction in London. Sotheby's will now host its second sale dedicated to 'Star Wars' collectibles, titled 'Star Wars Online'. AP Photo
A Sotheby's employee looks at "The Empire Strikes Back" character size chart from 1978, estimated at £10,000-£15,000, from the archive of Roger Nichols, who was the special effects designer for the film during a photocall at Sotheby's in London, Britain. Reuters
A Sotheby's employee is seen during a photocall at Sotheby's in London. Reuters
A Sotheby's employee poses with a "The Empire Strikes Back" Toy figures and a Millenium Falcon toy shop display from 1980, estimated at £7,000-£10,000, during a photocall at Sotheby's in London. Reuters
A Sotheby's employee holds a C-3PO helmet of 1983 as part of the Star Wars auction in London. Sotheby's will now host its second sale dedicated to 'Star Wars' collectibles, titled 'Star Wars Online'. AP Photo
A Sotheby's employee looks at the original Star Wars posters as part of the auction in London. Sotheby's will now host its second sale dedicated to 'Star Wars' collectibles, titled 'Star Wars Online'. AP Photo
A Sotheby's employee holds a Head of Card Vader of 1999 as part of the Star Wars auction in London. Sotheby's will now host its second sale dedicated to 'Star Wars' collectibles, titled 'Star Wars Online'. AP Photo
A promotional C-3PO helmet from 1983, estimated at £15,000-25,000, goes on view at Sotheby's in London. Highlights from Sotheby's Star Wars Online sale are on view until 11 December, featuring posters, toys and props from the original trilogy. Getty Images