Rare Harry Potter books including one signed by cast members up for auction in Surrey The signed copy of Harry Potter and the Goblet of Fire, used during the making of the film, has an estimated value of £700-1,000 The auction will feature a paperback copy of Harry Potter and the Goblet of Fire, signed by six cast members (Image: Ewbank's Auctions) Get our ultimate guide on things to do in Surrey with our What's On emailInvalid EmailSomething went wrong, please try again later. Sign Up When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice.