From pinterest.com/franoisejaouen/histoire-de-la-mode/. Also posted to the Dresses Worn by Queen Maud Albumette here.
Maud had a curvaceous figure that this dress seems to modify by extending the hip line downwards.
Keywords: 1912, Worth, Queen Maud, Maud av Norge, Dronning av Norge, Maud of Wales, Maud Charlotte Mary Victoria, Welf family, Wettin family, Glucksberg family, Princess, Queen, under-bodice, square décolletage, criss-cross bodice, elbow length notched full sleeves, natural waistline, tight skirt