Septimius Severus AE18 of Nikopolis ad Istrum. 

AV KAI CEVHROC, Laureate head right.
NIKOPOLI PROC ICTRW, Nike standing left, holding wreath and  palm. 

Varbanov 2213 var (obv legend); Moushmov 917 var (reverse
type); AMNG - (reverse type).

Contributed by beastcoins.com, July 2011.

Note: Varbanov lists 11 variants of the Nike standing left types
with no magistrate names on the reverse. These variants include
different obverse and reverse legends, however, this obv. legend
(type P in Varbanov) is not listed.