Phrygia Apameia AE16. 

Obv: Laureate bust of Zeus right 
Rev: helmet set on meander pattern, DI to left, APAMEWN to right.


SNG Von Aulock -, BMC -, SNG Cop -, SNG München -, Lindgren -
Another example, Gorney and Mosch auction 156 lot 1472


From AncientImports.com, sold before June, 2007.
#15870 VF/VF Phrygia Apameia AE16 / Helmet RRR 	$147.00