Why do you think its Bohemian glass? It may be American Brilliant Cut Glass. Have you looked on the bottom area of the glass for any acid etched makers marks. They are hard to find at times and you'll need to cast a light refrection around to see it if it has a mark. Some glass I know where never marked. Also do you see any markings on the bronze work? You may want sign up on this website for the American Cut Glass Association American Cut Glass Association I think you may have something extraordinary.