Description: Brooch with amethyst , Idar Oberstein approx. 1880, bevelled amethysts in different sizes, cutted, sharpened and engraved, approx.5.5 x 6 cm . German Description: Brosche mit Amethysten, Idar Oberstein um 1880, facett. Amethyste in versch. Gr??en, geschnitten, geschliffen und grav., ca. 5.5 x 6 cm