From www.pinterest.com/minnimon/royals; sepia tone removed by gogm.
Princess Mary wears the same second bustle period dress seen in the last image. Her hair is high and curly, a trademark.
Keywords: Byrne & Co., Queen Mary, Princess, Queen, Teck family, Windsor family, British, curly coiffure, high enclosing neckline, bows, stomacher, revers, long tight sleeves, vee waistline, bustle, skirt ornament, fan