Kings of Macedon. Alexander III 'the Great' (336-323 BC). AR Tetradrachm (25mm, 16.8 g), Amphipolis, c. 320-317 BC. Obv. Head of young Herakles right, wearing lion’s skin. Rev. ALEXANDPOY Zeus enthroned left, holding eagle and sceptre; on left, dolphin; below throne, monogram.