Antique 10KT Gold & Amethyst Art Nouveau Brooch

A fabulous 10KT yellow Gold Art Nouveau brooch, comprising of a beautiful central rim set Marquise shaped Amethyst (12mm X 5mm) cabochon. Surrounded by beautiful openwork Art Nouveau floral motifs. Pin stem and c-clasp findings on the reverse. Brooch measures approx 2.3cm wide X 2cm tall. Samped 10K. Circa 1890.