Antique gold-plated chain slider in a geometric design, probably Art Nouveau to early Art Deco around 1900 to 1925. Set with oval opal cabochon and red colored stone. Fine breakthrough work with a decorative frame. Not solid gold, gold-plated version. Rare original piece of jewelry with an elegant appearance. Not a precious metal. Weight:1.1g Max.dimensions:1.6 x 1.3 cm.
