Caracalla & Julia Domna AE 27 of Markianopolis. 

ANTWNINOC AVGOVCTOC IOVLIA DOMNA, Caracalla, laureate facing Julia Domna, draped.
VP KYNTILIANOY MAPKIANOPOLEITWN, Hygeia standing, feeding a serpent in arms. E in left field. 

Moushmov 498.

Courtesy of Andrea Stella, "Monete romane provinciali nella Venetia et Histria".