Ptolemaic, Ptolemy I. Tetradrachm; Ptolemaic, Ptolemy I; 305-283 BC. Alexandria, c. 306-300 BC, Tetradrachm, 15.28g. CPE-59. Obv: Head of Alexander III r., wearing elephant-skin headdress and aegis, with tiny ? on the aegis adjoining the elephant ear. Rx: Athena attacking r. holding spear and shield, A?E?AN?PoY upwards and ?A monogram behind her, before her AT monogram, ?oF monogram, and eagle standing r. on [thunderbolt].Reverse porosity on figure of Athena . EF