Top rated graphic: T. gibbosula and C. rustica shells found in layer 4c on the cave in Morocco, which were being beads from what's now generally known as the oldest jewelry in the world. Source: A. Bouzouggar, INSAP, Morocco / Karen Loise van Niekerk does not do the job for, https://beadsinthemiddleages08539.daneblogger.com/30458470/cultural-significance-of-beads-an-overview