Constantine II (337-340 A.D.) -  AE4 - 15.13mm, 1.30gr
Obverse - CONSTANTI-NVS VM AVG
Constantine II, his laureate and rosette diademed,
draped and cuirassed bust right.
Reverse - GLORIA EXERCITVS 
SMHB in Exergue
Two soldiers standing either side of one standard with three medallions.
Constantine II
Minted at the 2nd officina in Heraclea between 337 and 340 A.D.
Reference:
Kent, J.P.C., "Roman Imperial Coinage", Volume 8 (RIC), Heraclea, p431, nr. 17, obverse C14/D5, reverse GE
Failmezger, V., "Roman Bronze Coins From Paganism To Christianity 294-364 A.D.", nr 381CII
Van Meter, D., "Handbook of Roman Imperial Coins", p296, nr 47 var.
Quality: Fine+