Sauromates II, King of Bosporos. AE23 "Sestertius", AD 174-211. 6.31 g. 

BACILEwC CAYROMATOY, diademed and draped bust right. 
Curule chair surmounted by wreath, sceptre surmounted by an imperial(?) bust to left, shield on spear to right. MH below. 

Anokhin 588; MacDonald 521.
Very rare with the shield on the right.

With permission of Roma Numismatics E-Sale 82, Lot 466, April 2021.