Otacilia Severa, AR Antoninianus, 248-249, Viminacium?

Otacilia Severa, AR Antoninianus, 248-249, Viminacium? OTACIL SEVERA AVG Diademed, draped bust right on crescent, hair weaved in straight lines and rows with long plait carried up the back of head PIETAS AVGVSTE Pietas standing facing, veiled head left, right hand raised, box of perfumes in left 21mm x 23mm, 4.20g RIC IV, Part III, -- Note: RIC footnotes on p.84 "C.49 (Cohen) quotes variant of rev. AVGVSTE (Antoninianus)." but does not mention if it is of non-Rome style or fabric.