Pontos, Amisos, AE (Bronze, 19.78 g, 30.2 mm), time of Mithradates VI Eupator (120-63BC), ca. 105-90 or 90-85 BC.
Obv: Helmeted head of Athena right, in crested helmet with Pegasus.
Rev: AMI – [ΣOY], Perseus standing left, holding harpa and head of Medusa, whose decapitated body lies at his feet, monogram to left and to right.
Ref: SNG BM 1176.