Coin of Ptolemy II Philadelphus
r. 285-246 BCE
Ptolemy II Philadelphos
Hellenistic
Obv.: Head of Zeus, r., laureate.
Rev.: Eagle standing to l. on a thunderbolt, wings open; in field to l., a large sigma, underneath which, an oval shield; between eagle's legs, an omicron.
Bronze
Hellenistic period, Early