Eumenes II of Pergamon, AR tetradrachm, 28.82 mm, 16.87 g. 197-159 BC, Struck in the name of Philetairos. 

Laureate head of Philetairos right. 
FILETAIROY, Athena enthroned left, extending wreath in right 
hand, left elbow resting on shield. EYMO monogram in upper 
left field, upright palm branch to the left of the king's 
name, bow in right field.

BMC 39; Westermark 95A

With permission of TimeLine Auctions 
(www.timelineauctions.com), Oct. 2017.