Bronze, blue-gray and cz beaded necklace

silver tone chain with lobster claw closure bronze toned glass or ceramic beads graduated sizes blue-gray faceted aurora borealis glass crystal beads circular silver beads with round cz brand unknown 21.5" length My Mom's-worn a few times. There are some marks on the beads from wear, but nothing that takes away from the piece. And on the extender, there is an extra link that hangs off from the side of the chain. Pretty in person. A great dressy piece. Brand unknown. Good condition.