Septimius Severus, AE25 of Anchialus, Thrace.

Obv: AV K CEP CEVHPOC P, laureate head right.
Rev: OVLPIANWN AGXIALEWN, Demeter standing left, holding short
torch in left hand, kindling tall, serpent-entwined torch 
standing to left; D in lower centre.

Varbanov 215 (this coin); Strack 467 var; 

Courtesy of Akropolis Ancient Coins, March 2011