Best image: T. gibbosula and C. rustica shells located in layer 4c on the cave in Morocco, which had been beads from what exactly is now often called the oldest jewelry in the world. Supply: A. Bouzouggar, INSAP, Morocco / The shell beads also deliver insights into technological aspects which https://medium.com/@spoilmevintagediy/the-rich-history-of-beadwork-a-journey-through-the-ages-4e4fd2e474cf