Ptolemaic Kings of Egypt, Ptolemy II Philadelphos (285-246 BC), Obol, Alexandreia, c. 285-261/0 BC, 16.59g, 28mm. Diademed head of Zeus-Ammon right / Eagle with open wings standing left on thunderbolt; monogram above shield to left, O between legs. Svoronos 586; SNG Cop. 123. Very Fine