Herakleia, Bithynia. AR Didrachm or Stater. Struck under Dionysios. 337-305 BC. 23 mm, 9.8 g. 

Wreathed head of Dionysos left, thyrsos over shoulder.
DIONYSIOY to right of Herakles standing left, holding lionskin and erecting trophy. 

SNG BM Black Sea 1611; BMC 25; Sear SG 3780.

With permission of Fritz Rudolf Künker GmbH auction 312, Lot 2276, Sept-Oct. 2018.
Estimate: 400 EUR.