Oxidized Double Oval Link Ancient Roman Glass Necklace

18" oxidized sterling silver necklace with 18.5mm x 40.4mm double link pendant. A 10.5mm x 15mm oval piece of round Ancient Roman glass rests inside a textrued edge setting. Color of Roman glass will vary. Lobster clasp closure on 1.3mm curb chain. Comes with Certificate of Authenticity. .925 Sterling Silver