Greek
PONTOS. Amisos. Time of Mithradates VI Eupator (circa 105-85 BC).
Obv: Head of Perseus to right, wearing Phrygian-style helmet ending in griffin's head
Rev: Winged harpa; AMI-ΣOY across fields, monogram in lower right field.
SNG BM Black Sea 1197-8; SNG Stancomb 694; RG 35; HGC 7, 256