Lysimachus, King of Thrace, AR Tetradrachm. Kios mint. 297-281 BC. 

Obv: Head of Alexander III right, with horn of Ammon. 
Rev: BASILEWS LYSIMACOU, Athena seated left holding Nike, 
left arm leaning on her shield; MT monogram in inner left field, 
AG monogram in exergue. 

Mueller 413; Thompson -; cf Sear 6813-6816 var. 

Image courtesy of Frankfurter Münzhandlung Nachf. GmbH auction 156, lot 81, Nov. 2022.