Lysimachus, AR Tetradrachm, 29mm, 17.11 g. Pella mint. ca 297-281 BC. 

Diademed head of deified Alexander right, with horn of Ammon 
BASILEWS LUSIMACOU, Athena seated right, holding Nike in her 
extended right hand and left resting on shield, spear 
leaning against the chair back. 
HR monogram in outer left field, KF monogram (F sideways) in inner left field. 

Thompson 248c; Armenak hoard 938.

With permission of Numismatik Lanz, May 2005