From misshonoriaglossop.tumblr.com/post/46076206847/thyra-the-crown-princess-of-hanover-duchess-of. Also posted to the Belle Époque - 1890 to 1914 Album here.
Both Ladies are elderly and their dresses appear to be slim line, suggesting the pre-war period.
Keywords: Princess Thyra, Thyra Amalia Caroline Charlotte Anna, prinsesse Thyra af Danmark, Thyra von Dänemark, Prinzessin von Schleswig-Holstein-Sonderburg-Glücksburg, Prinzessin von Dänemark, Prinzessin von Großbritannien und Irland, Prinzessin von Hannover, Herzogin zu Braunschweig und Lüneburg, Princess, Duchess, Glucksberg family, Welf family, German, feathered hat, feather boa, jacket, close sleeves, order sash, gloves
Empress Auguste Victoria, Auguste Viktoria Friederike Luise Feodora Jenny, Auguste Viktoria von Schleswig-Holstein-Sonderburg-Augustenburg, Auguste Viktoria Deutsche Kaiserin und Königin von Preußen, Princess Augusta Viktoria of Schleswig-Holstein-Sonderburg-Augustenburg, Princess Wilhelm of Prussia, Princess, Empress, Schleswig-Holstein family, Hohenzollern family, German, wavy coiffure, feathered brim hat, earrings, blouse, high enclosing neckline, order sash, order bows, order star, jacket, long full sleeves, bracelets, frogging, gloves