AN ART NOUVEAU SILVER AND AMETHYST BELT BUCKLE, THEODORE FARHNER, DEPOSE. Circa 1910. Each set with inverted amethyst pear shaped cabochon set with stylized lines and flowerhead motif. 3 in by. 2 1/8 in. En reverse markings TF 930 Depose, in addition to plaque marked MIG. Estimate $400-500