Macedonia, Alexander III The Great; Year 18=242/41 BC, Tetradrachm, 16.92g. Edward E. Cohen, "Dated Coins of Antiquity," p. 407 (this coin), Price-3367. Obv: Head of Herakles r., wearing lionskin. Rx: Zeus seated l. holding eagle and scepter, palm in l. field, AP monogram under throne, date (written as dots) in exergue. Ex Edward E. Cohen Collection. VF