Ptolemy II Philadelphus, with Arsinoe II, AV Gold Octodrachm 285-246 BC. NGC Cer
PTOLEMAIC EGYPT. Ptolemy II Philadelphus, with Arsinoe II, Ptolemy I, and Berenice I (285-246 BC). AV mnaieion or octodrachm (28mm, 27.68 gm, 12h). Ptolemaic Egypt blossomed under the benevolent rule of Ptolemy II (282-246 BC), who built the famous Library of Alexandria and towering Pharos lighthouse. !