Musée des Confluences (Lyon, France) Hippopotamus tusk with carved head of a bearded man with torus-like headgear, Late Naqada I–Early Naqada II, 3800–3400 BCE. Brooklyn Museum.[1] Hippopotamus Tusk with Carved Head, 3800–3400 BCE, Naqada I–II Figurine, Ägyptisches Museum Berlin