"1930s German Industrial Early Plastic & Brass Necklace. Jakob Bengel Style. The Jakob Bengel company of Germany produced most of these types of necklaces. They were a wholesale company, therefor their items are never marked. Sometimes the clasp or jump rings are marked \"Germany\", however THIS ONE has no marks at all. Wearable length is about 15/16\". Materials: The different beads are constructed of various early plastics, and may include bakelite, galalith or others, The necklace is stru