Istros, Thrace. AE13. ca 120-100 BC. Magistrate Chai-. 0.94 g.

Radiate head of Helios facing.
ISTRI, sea-eagle left on dolphin. XAI below. 

SNG Stancomb 195 (this coin); 

With permission of Roma Numismatics E-Sale 68, Lot 68, Feb. 2020.