From eBay; sepia tone removed by gogm.
Sophie wears a wide feathered hat and a pouter pigeon bodice with sleeves puffed at the top and tapered at the bottom.
Keywords: Princess Eitel-Fritz, Princess, Oldenburg family, Hohenzollern family, German, straight coiffure, feathered hat, high enclosing neckline, elbow length outer-sleeves, long tight inner-sleeves, pouter pigeon bodice, earrings, bracelets, walking stick