From www.pinterest.com/karenfm/vintage.
The pouter pigeon waistline and shallow vee waistline suggest this is one of Lucile's earlier products.
Keywords: Lucy Duff Gordon as designer, Lucy Duff Gordon, Lucile, Lucy Sutherland, Lady Duff Gordon, sweetheart neckline, chemise, modesty piece, guarter length under-sleeves, bertha, lace, pouter pigeon bodice, quarter length close over-sleeves, waist band, shallow vee waistline, close skirt, bustle, flounces