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. Curule chair with wreath. Shield, spear and scepter with the head of the emperor. BACIΛЄωC POIMHTAΛKOY.
Rev. Sign of value MH in wreath
Ø 23 mm; w. 12.54 g