Woman's Dress for Presentation at Court
The invitation for presentation to the King and Queen states: "The Dress Regulations are: Ladies: Full Court dress with feathers and trains. Gentlemen: Full Court dress."
Harry McLaughlin has kindly shared this image of his Grandmother's Court Presentation portrait from his Victorian and Edwardian Family Photograph Album. His "Dressed for the Palace" contains more information about presentation at court, including the wording of the Lord Chamberlain's invitation and the required form of the response [GPL].