Major graphic: T. gibbosula and C. rustica shells found in layer 4c with the cave in Morocco, which were being beads from exactly what is now often known as the oldest jewelry on this planet. Source: A. Bouzouggar, INSAP, Morocco / Among the most significant aspects of Native American beadwork https://medium.com/@spoilmevintagediy/the-rich-history-of-beadwork-a-journey-through-the-ages-4e4fd2e474cf