Prime impression: T. gibbosula and C. rustica shells present in layer 4c of your cave in Morocco, which have been beads from precisely what is now often known as the oldest jewelry in the world. Source: A. Bouzouggar, INSAP, Morocco / In summary, archaeological thought of the Middle Archaic period https://renaissancebeadtrade97418.myparisblog.com/31580551/art-nouveau-beadwork-fundamentals-explained