Czech Art Deco Blue and White Glass Necklace. Pretty Czech necklace with a rectangular link chain with beads all around the chain. The clasp on the chain helps date this piece to the 1920 to the 1930s. Faceted glass beads are. prong set with fine detailing on the back of the links as well as the front. Approximate length is 18 inches long. Very good condition with almost no visible wear. A wonderful example of a special jewelry and design era in excellent condition. A gorgeous, fine find for you.