PTOLEMAIC KINGS OF EGYPT. Ptolemy II Philadelphos. (285-246 BC.) AR Tetradrachm. (25mm, 13.72 g) Alexandreia. Obv: Diademed head of Ptolemy I right, wearing aegis. Rev: ΠΤΟΛΕΜΑΙΟΥ ΒΑΣΙΛΕΩΣ. Eagle standing left on thunderbolt; monogram in left field;