Geta AE21 of Amastris in Paphlagonia. AD 209-212 AE21, 

AYT K P CE GETAC AYG, Laureate bust right
AMACTRIANWN, Pallas Athena, helmeted standing right, wearing chiton 
and peplos, holding spear and owl. 

RecGen 152; Prowe collection.

Image from Ancient Peddlar DaveOr, April 2010.