Macrinus, Nikopolis ad Istrum. Magistrate Statilius Longinus. 

AVT K M OPELL CEV MAKRINOC, laureate, cuirassed bust right.
VP CTATI LONGINOV NIKOPOLITWN PR/OC ICTP, Athena standing left 
holding spear and shield. 

Varbanov 3553 var (obv. legend) AMNG 1746 var (ditto); Moushmov 1224. 

Varbanov and AMNG do not list this obverse legend (legend P) 
for this reverse type.