PONTOS. Amisos. Orichalcum brpnze (Circa 111-105 or 95-90 BC). Struck under Mithradates VI Eupator. Obv: Helmeted head of Ares right. Rev: AMI - ΣOV. Sword in sheath; star-in-crescent to upper left, monogram to lower left. SNG BM Black Sea 1164; HGC 7, 241. Weight 5.95 g. Orichalcum was a valuable golden-colored brass alloy (copper and zinc) used by Romans an Greeks to mint coins . Valued for its gold-like appearance, it was considered more valuable than copper. Will be shipped registered and insured.