Leading impression: T. gibbosula and C. rustica shells located in layer 4c with the cave in Morocco, which were beads from what is now known as the oldest jewelry on the globe. Source: A. Bouzouggar, INSAP, Morocco / Because the beads will often be fragile at the same time, the https://medium.com/@spoilmevintagediy/the-rich-history-of-beadwork-a-journey-through-the-ages-4e4fd2e474cf