Bithynia, Dia AE (Bronze, 7.78g, 19mm) ca 95-90 or 80-70 BC, Struck under Mithradates VI Eupator.
Obv: Laureate head of Zeus right.
Rev: ΔΙΑΣ, Eagle standing left on thunderbolt, head right; monogram to left.
Ref: SNG BM Black Sea 1562; HGC 7, 453.