Greek. Silver Tetradrachm of Lysimachus, Pergamum, Reverse. 287 BC – 282 BC.

Greek. Silver Tetradrachm of Lysimachus, Pergamum, Reverse. 287 BC - 282 BC. American Numismatic Society. (Public Domain)

Greek. Silver Tetradrachm of Lysimachus, Pergamum, Reverse. 287 BC – 282 BC.