Gratian (367-383 A.D.) - AE3 - 19.21mm, 2.68gr
Obverse - DN GRATIANVS PF AVG
Gratian, his pearl diademed, draped and cuirassed bust right.
Reverse - SECVRITAS-REIPVBLICAE,
Victory advancing left, holding wreath and palm.
D in right field, * delta SISC in Exergue.
Gratian
Minted at the 4th officina in Siscia (Sisak, Croatia) between 24 August 367 and 17 November 375 A.D.
Reference:
Pearce, M.A., "Roman Imperial Coinage", Volume 9 (RIC), Siscia, p147, nr. 15(c), obverse 3a (A)
Carson, R.A.G., Hill, P.V., & Kent, J.P.C., "Late Roman Bronze Coinage",  Part II, p72, .nr 1310
Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), nr. 34
Van Meter, D., "Handbook of Roman Imperial Coins", p310, nr 45, variety Ol/1.
Suarez, R., "Encyclopedia of Roman Imperial Coins" (ERIC),  p524, nr 53 (B2, O1, R14, T26, M13)
Quality: Fine+/Very Fine-