PTOLEMAIC KINGS of EGYPT. Ptolemy I Soter. As satrap, 323-305 BC. AR Tetradrachm (26mm, 17.04 g, 12h). In the name and types of Alexander III of Macedon. Memphis or Alexandreia mint. Struck circa 323/2-317/1 BC. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; thunderbolt in left field, ΔI below throne. Zervos Issue 4; Price 3976. VF, toned, minor roughness, slightly off center.