Bosporan Kingdom was an ancient Greco-Scythian state located in eastern Crimea and the Taman Peninsula on the shores of the Cimmerian Bosporus ( Strait of Kerch). 
It existed for about a thousand years (from VI BC to IV AD).

Obv. King seated right, holding scepter with bust of emperor. TIBEPIOC IOYΛIOС BACIΛEYC CAYPOMATHC.
Rev. Sign of value MH in wreath. 
Diameter 25 mm. Weight 10.2 g.