Pergamon, Mysia, AE9 mm. In the name of Philetairos. 281-263 BC. 0.82 g. 

Helmeted head of Athena right.
FILETAIROY, star. 

SNG France 5, 1694; SNG Cop. 352; SNG Turkey 4, 
138; Imhoof Dynastie 61; SNG Turkey 9-III 868.

Image courtesy of SNG Turkey 9-III.