An ancient Roman bronze beaded necklace adorned with spikes. In the ancient world, jewelry served both decorative and symbolic purposes, and Roman jewelry was no exception. The bronze beads and spikes in this necklace not only showcase the artistry of ancient Roman metallurgy but also reflect the fashion and cultural trends of that era. The use of spikes, in particular, could have held symbolic or protective significance, as spikes and other elements in jewelry often had amuletic properties in Roman society. Ancient Roman Necklaces And Jewelry Collectibles.