workshop not listed in RIC, also rarer with rosette versus pearl diadem
Gratian
A.D. 378- 383
18x19mm 2.6gm
DN GRATIA-NVS P F AVG; rosette-diademed, draped, cuirassed bust right.
CONCOR-DIA AVGGG; Roma, helmeted, seated facing with head left, holding globe & reversed spear; Θ in left field, phi over K in right.
In ex. ANTΔ
RIC IX Antioch 46b