Elagabalus AE26 of Nikopolis ad Istrum. 

AVT K M AVPH ANTWNEINOC, radiate head right.
NI-KOPOL-ITWN PR-OC ICTR-ON, legend in five lines within wreath. 

AMNG 2014 var (bust type); Varbanov 3852 var (ditto)

ebay sale by Malter Galleries, 2004. Added Oct. 2011.

Note: Varbanov 3852 is the only coin with this reverse legend
and these breaks AND an obv. legend with AVT K M AVRH but is
listed only for radiate, draped and cuirassed bust right.