Geta, SE28 of Serdica, Thrace.

AYT K P CEPTI GETAC, laureate head right.
OYLPIAC CERDIKHC, Hermes, naked but for cloak over left shoulder, standing right, holding caduceus.

Varbanov 2579 (this coin). 
With kind permission of Numismatik Lanz, Auction 2003. Ex Peus auction 337 (Berlin Dubletten), lot 606.