From liveauctioneers.com/item/25552149_lucile-studio-fashion-sketches-circa-1915-20. Also posted to the Designed by Lucile Albumette here.
The dress focuses attention with its low cut, a colored band at Empire height, a pouffy band below that, and finally a plain band at natural height.
Keywords: Lucy Duff Gordon as designer, Lucy Duff Gordon, Lucile, Lucy Sutherland, Lady Duff Gordon, wavy coiffure, head band, strapless bodice, sweetheart décolletage, waist band, natural waistline, peplum, close flared mini-length upper skirt, sash, maxi-length flared lower skirt, shoes