Pontus, Amisos. Bronze, Mithradates VI. circa 85-65 BC. Æ 22mm., 12,15 g. elmeted head of Perseus right / Pegasos grazing left; two monograms in exergue. Malloy 33k; SNG BM Black Sea 1214
very fine. 
Provenance : Savoca Coins - auction blue - 212 weekly Blue Auction . 
Certificate of provenance and authenticity included .