Assyrian Tree of Life Seal Recreation. Resin cast seal and seal impression. Seal is about 1 3/4 by 1 inch round. From the ancient city of Nimrud which is the ancient city of Kalah in the Bible. Seal dates to circa 800 BC. Seal shows the Assyrian Tree of Life in the center. A double image of the hawk faced demi-god with large feathers thought to be the storm bird Zu who stole the tablets of Destiny.