https://upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Drop-shaped_%28tanged%29_pendant_seal_and_modern_impression._Quadrupeds%2C_ca._4500%E2%80%933500_B.C._Late_Ubaid_-_Middle_Gawra._Northern_Mesopotamia.jpg/120px-Drop-shaped_%28tanged%29_pendant_seal_and_modern_impression._Quadrupeds%2C_ca._4500%E2%80%933500_B.C._Late_Ubaid_-_Middle_Gawra._Northern_Mesopotamia.jpg