£1,000£1,500

THE first of two dinner suits in a single lot by the designer Camilla Milton and made in the early 2000s. This midnight-blue design with scattered sequins also has a short as well as a full-length skirt. Lady Thatcher wore the outfit when she re-visited No. 10 (inset) for the 2002 Golden Jubilee dinner attended by all the surviving prime ministers of the Queen’s reign.