Severus Alexander. 222-235 AD. AE 27, 10.14g. Bithynia, Heracleia Pontica. 

Obv: AYT M AYP CEY ALEXANDRON AY, laureate, draped, cuirassed bust right.
Rev: HRAKLEWTAN PONTW, Herakles, naked except for lion skin
over shoulders, standing left, killing the Hydra, raising 
club in right hand, holding one of the Hydra's six heads 
with left hand; the beast's lower body wrapped around
 Herakles' right leg. 

Possibly unique: Voegtli, Heldenepen, p. 20, lists this 
reverse type from Heracleia only for Septimius Severus, 
Geta, Gordian III, and Gallienus. CNG E-Auction 126, 9 November 2005, lot 167 (this coin). Same obverse die as SNG 
von Aulock 402. 
Smoothed. Scratches in field. VF.
Ex Dr. Stephen Gerson Collection. Ex CNG E-Auction 126, 9 November 2005, lot 167. 	

Gemini Numismatic Auction #6, January 10, 2010, lot 645