Leading picture: T. gibbosula and C. rustica shells found in layer 4c from the cave in Morocco, which were being beads from what is now known as the oldest jewelry on the planet. Source: A. Bouzouggar, INSAP, Morocco / They may be concealed by an immense passage of time and https://beads-in-mediterranean-cu64185.theblogfairy.com/30499315/getting-my-victorian-beadwork-to-work