The wedding dress actress Michelle Dockery wore as Lady Mary Crawley (Bonhams)The outfit was worn by actress Michelle Dockery for Lady Mary’s wedding to Matthew Crawley, played by Dan Stevens. Also on display is the Grantham family car, a 1925 Sunbeam Saloon, which has an estimated sale price of £25,000 to £35,000. The third film, Downton Abbey: The Grand Finale, is due to be released in UK cinemas on September 12. Gareth Neame, chief executive of Carnival Films, the producers of Downton Abbey, with actress Penelope Wilton, among a display of props used in the production (James Manning/PA)The set pieces, props and costumes will be on display at a free exhibition at Bonhams sale room in New Bond Street in London until September 16. The auction is available for online bidding now.
