Art Deco cloche hat with floral decoration. A Cloche Hat is a small, close-fitting hat with a small or large brim turned down around the face. It was popular during the similar to the popularity of the bob hairstyle.
Thalia Barbarova, from the book Decades of Fashion by Harriet Worsley. "Opulent brocade shawls like the one on actress Thalia Barbarova's chair were popular, with some of the more opulent coming from France." Plus, giant perfume bottles = glamor.