Septimius Severus, AE17 of Nikopolis ad Istrum, Moesia. AD 193-211. 

AV KAIC CEVHROC, laureate head right.
NIKOPOLIT PROC ICTR, draped bust of Serapis right.

Varbanov 2435 var (obv legend); AMNG 1349 var (ditto).

With permission of cngcoins.com, the AK collection sale.