Septimius Severus AE39 of Perinthos, Thrace. AD 196-211. 34.66 g.
 
AV K L CEPTI CEVHROC PE, laureate, draped and cuirassed bust right.
FILADELFEIA PERINQIWN NEWKORWN, Herakles, naked but for 
lionskin over shoulder, walking left, wielding club, 
about to attack the hydra in semi-female form, before
him.

Moushmov 4520; Mionnet I, 273; Varbanov 200; Schönert-Geiss 520 (this coin). 

Courtesy of the Berlin Collection.