The sale will run on bonhams.com from Aug. 18 until Sept. 16 alongside an exhibition at the auction house's London showroom.

The auction includes the Grantham family car, a 1925 Sunbeam 20/60. Many of the best television shows weave compelling ...

Downton Abbey's exquisite costumes and props are going on show at a free exhibition ahead of a sale being held by Bonhams ...

Lavish costumes worn in hit period drama Downton Abbey are going under the hammer and the lots include the wedding dress worn ...

Also heading to auction is an emerald gown adorned with golden lace worn by Lady Mary during a London dinner in series six, ...