mark WILHELM MELZER WIEN VII, Austria-Hungary, Vienna, date 1912, production W. Melzer, design of the decor from Josef Hoffmann´s circle, silver plated base metal, flat architectonic case with eagle and lettering "BALL DER STADT WIEN", gilded inside, faceted mirror, ball´s program inside, h. 10 cm, w. 6,5 cm See: Noever P., Josef Hoffmann Designs, Prestel, München 1992, pg. 219 (similar fabric decor).