Tetradrachm of Ptolemy I, uncertain mint (Naukratis?)
r. 323-283 BCE
Ptolemy I Soter
Greek
Obv.: Head of Alexander in lion skin and aegis r., with horns of Zeus Ammon; dotted border.
Rev.: Athena Alkidemos, r., holding spear and shield; to r., eagle clutching thunderbolt r.; border of dots; to l., W in circle; to r., Delta Iota
Silver
Ptolemaic period