Amisos, Pontos. AE20. Time of Mithradates VI. Ca 120-63 BC. AE 19mm. 

Helmeted head of Ares right.
AMI-SOY across fields, sword in sheath, star in crescent at upper 
left, IB at upper right, RPMK monogram at lower left, no 
monogram at lower right. 

Malloy 32b. Not in SNG BMC Black Sea. 

With permission of Auktionshaus H. D. Rauch GmbH, Sept. 2014.