Incredible Victorian Booklink Chain Purple Marble Art Glass Festoon Necklace

This is an absolutely gorgeous antique Victorian booklink chain festoon necklace.  Gold floral embossed fold over book link chain with a large 45mm circle purple marbled opalescent Czech art glass cabochon bezel and prong set in brass with a beaded wire design around the outside.  On either side of the larger center stone are 2 teardrop shaped 25mm x 15mm purple marbled art glass cabochons in similar settings.  

The chain is 16” long and 10mm wide with a spring ring closure.