Septimius Severus, AE30 of Istrus, Thrace. 

A K L CEPT CEVHROC P, laureate, draped and cuirassed 
bust right, seen from behind.
ICTRIHNWN, Mithras, bearded, wearing polos, riding 
right on horseback; bird (raven) on torch to left. 

Varbanov 613; Moushmov 168.

Courtesy of Dr Busso Peus Nachfolger, auction 2002. Added Aug. 2011.