Top graphic: T. gibbosula and C. rustica shells present in layer 4c of the cave in Morocco, which were being beads from what is now often known as the oldest jewelry on this planet. Source: A. Bouzouggar, INSAP, Morocco / In summary, archaeological thought of the Middle Archaic period of https://medium.com/@spoilmevintagediy/the-rich-history-of-beadwork-a-journey-through-the-ages-4e4fd2e474cf