This is rare yellow agate belongs to Neo Assyrian period (900-650)B.C,, this seal depicting gods of Mesopotamia,(the god who stand behind the bull (in the right), and holding a large ring in his hands is god adad ... Adad (Ishkur) is a Mesopotamian storm god of rain and thunder, symbolized by the bull and lightning.and another god who stand behind a dragon is Marduk,,Marduk is Chief god of Babylon, symbolized by the dragon Mushussu, representing power and order.and the man who stand between these two god probably a king or even the owner of the cylinder seal .this seals belongs to a us collector who buy I in 1984 from another us collector that he achieved in 1977.The seller can prove that the lot obtained legally. Provenance statement seen by Catawiki. The seller will take care that any necessary permits will be arranged.