Accessoires de coiffure, peigne à cheveux, épingles, barrettes, tiares, couronnes, harkamm, peineta, pettini | Creative-museum
George Fouquet made this hair adornment between 1905 and 1908. The materials are clearly Art Nouveau, carved tortoiseshell, enamel and opals. The design, however hints towards the egyptian Art Deco trend that would come a few years after it was made.
Diadème OU Peigne ART Deco Vers 1925 Jewel Comb Tiara Tiare | eBay