Left and center images from summertime75.wordpress.com-tag-the-count-of-luxembourg and the right image is from www.bgc.bard.edu/gallery/gallery-at-bgc/past-exhibitions/focus-gallery-3/staging-fashion; sepia tone removed from all images by gogm.
These three cards show the same dress and accessories, especially the sprig of feathers. The dress is a trim neo-Directoire columnar design.
Keywords: 1911, Lucy Duff Gordon as designer, Lucy Duff Gordon, Lucile, Lucy Sutherland, Lady Duff Gordon, The Count of Luxembourg, Lily Elsie, wavy coiffure, feathered headdress, head band, bodice, square décolletage, quarter length bare shoulder sleeves, arm bands, tassels, sash, waist band, natural high waistline, tight skirt, coat, elbow length close notched sleeves, bracelets, passementerie, folding fan, theatrical dress