Watch List notes:

Greek PONTOS, Amisos, Time of Mithradates VI Eupator (Circa 120-63 BC) AE Bronze (24.8mm, 18,8g)
Obv: Helmeted head of Athena right
Rev: ΑΜΙ-ΣΟΥ, Perseus standing facing, holding harpa and head of Medusa; body of Medusa at feet, monograms to left and right.
HGC 7, 238.