More than 1,000 pieces of film and TV memorabilia worth an estimated £5.5 million are due to go under the hammer.

Prop Store – which is based in Rickmansworth – will offer items such as Russel Crowe’s helmet from Gladiator and a signed hoverboard from Back To The Future Part II during a three-day online auction in November.

The highest-valued item is a light-up X-wing filming miniature from 1983’s Star Wars: Return of the Jedi, which it is estimated will sell for between £200,000 and £300,000.

Watford Observer: CEO Stephen Lane holds a light-up ILM X-wing filming miniature from the 1983 film 'Star Wars: ep VI - Return of the Jedi' (est: £200,000 - 300,000) Photo: PA CEO Stephen Lane holds a light-up ILM X-wing filming miniature from the 1983 film 'Star Wars: ep VI - Return of the Jedi' (est: £200,000 - 300,000) Photo: PA

From the same film, a Stormtrooper helmet is expected to sell for between £100,000 and £150,000.

Watford Observer: From left to right, a C-3PO Palitoy '5,000,000th' action figure from the 1980 film 'Star Wars: Ep V - The Empire Strikes Back (est: £2000-3000), a light-up ILM X-wing filming miniature from the 1983 film 'Star Wars: Ep VI - Return of the Jedi' (est: £200,000 - 300,000) and a Stormtrooper helmet from 1983 film 'Star Wars: Ep VI - Return of the Jedi' (est: £100,000 - 150,000) Photo: PAFrom left to right, a C-3PO Palitoy '5,000,000th' action figure from the 1980 film 'Star Wars: Ep V - The Empire Strikes Back (est: £2000-3000), a light-up ILM X-wing filming miniature from the 1983 film 'Star Wars: Ep VI - Return of the Jedi' (est: £200,000 - 300,000) and a Stormtrooper helmet from 1983 film 'Star Wars: Ep VI - Return of the Jedi' (est: £100,000 - 150,000) Photo: PA

Such items can be previewed at the Prop Store office facility in Rickmansworth between October 12 and November 11, with more than 120 lots.

Also featured in the auction is a lenticular Mattel hoverboard from Back to the Future Part II signed by Michael J Fox, who played Marty McFly in the film trilogy.

Watford Observer: CEO Stephen Lane holds a Michael J. Fox autographed Lenticular Mattel Hoverboard from the 1989 film 'Back to the Future: Part II' (est: £60,000 - 80,000) Photo: PA CEO Stephen Lane holds a Michael J. Fox autographed Lenticular Mattel Hoverboard from the 1989 film 'Back to the Future: Part II' (est: £60,000 - 80,000) Photo: PA

A full-size T-800 endoskeleton from Terminator 2: Judgement Day has been valued at between £60,000 and £80,000.

Watford Observer: A close up view of the skull of a full-size T-800 endoskeleton from 1991 film 'Terminator 2: Judgment Day' (est: £60,000 - 80,000) Photo: PAA close up view of the skull of a full-size T-800 endoskeleton from 1991 film 'Terminator 2: Judgment Day' (est: £60,000 - 80,000) Photo: PA

A suit worn by Sir Sean Connery as James Bond in You Only Live Twice and a shirt worn by Harrison Ford as Rick Deckard in Blade Runner will also go under the hammer – with both expected to sell for more than £40,000.

Maximus Decimus Meridius’ helmet from Sir Ridley Scott’s 2000 film Gladiator, worn by Crowe, also features among the lots.

It could sell for between £30,000 and £50,000.

Stephen Lane, Prop Store chief executive, said: “After our second hugely successful Los Angeles Entertainment Memorabilia live auction in the summer making over £5.1 million, Prop Store is back again, bigger and better than ever with a superb collection of over 1,000 lots up for sale.”

The auction will take place from November 9-11. Bids can be placed online or by phone.