The Moabite stone of Dibon, probably of the reign of Ahaziah, Ahab's son, who died 896 B.C., exhibits an alphabet so complete that at that early date it can have been no recent invention. It has been discovered as mason's marks on the foundation stones of Solomon's temple. Yet even it was not the earliest form of the Palestinian alphabet. The fine discrimination of sounds, implied in inventing an alphabet, could hardly be brought to perfection at once Rawlinson fixes the invention 15 centuries B.C.