There is a strong resemblance between this dress and this dress worn by Lily Elsie in The Count of Luxembourg. The coat in that dress is an over-dress here wrapped assymetrically.
Keywords: 1911, Lucy Duff Gordon as designer, Lucy Duff Gordon, Lucile, Lucy Sutherland, Lady Duff Gordon, wavy coiffure, feathered headdress, head band, earrings, necklace, over-dress, elbow length close sleeves, turned back cuffs, long over-skirt, drapery, train, under dress, square décolletage, sash, waistband, natural waistline, tight skirt, gloves, shoes