Agrippina II AE17, 3.46g; 17mm, 54-68 AD. Eumeneia, Phrygia. 

Obv: AGRIPPINA SEBASTH, draped bust right, countermark of double axe 
behind head
Rev: BASSA KLEWNOS ARCIERHA AUMENEWN, Cybele seated left, holding 
patera and Nike, resting arm on drum. 

RPC 3151; BMC 44. Scarce.

With permission of Roma Numismatics, December, 2009