Watch List notes:

PONTOS. Amisos. Time of Mithradates VI Eupator (Circa 105-90 or 90-85 BC). Ae. 7,5 g. 21,1 mm.. Obv: Helmeted head of Athena right.
Rev: AMI - ΣOY. Sword in sheath; star and crescent to upper left, IB to upper right; monogram to lower left and lower right. SNG BM Black Sea 1159-60 var. (controls combination); HGC 7, 241.