Prime graphic: T. gibbosula and C. rustica shells found in layer 4c on the cave in Morocco, which were beads from precisely what is now often called the oldest jewelry on this planet. Resource: A. Bouzouggar, INSAP, Morocco / One of several most significant elements of Native American beadwork is https://medium.com/@spoilmevintagediy/the-rich-history-of-beadwork-a-journey-through-the-ages-4e4fd2e474cf