Leading impression: T. gibbosula and C. rustica shells present in layer 4c with the cave in Morocco, which had been beads from what on earth is now known as the oldest jewelry on this planet. Source: A. Bouzouggar, INSAP, Morocco / A variety of authors have described probable iconographical influences https://redhotbookmarks.com/story18409700/the-definitive-guide-to-renaissance-bead-trade