Constantine 11 327-340 AD.
Ae 3 of Heraclea mint (Marmara Erglisi Turkey) Struck as Ceasar 327/9.
Ob: Laureate draped and curiassed bust right. CONSTANTINVS IVN NOB C.
Rev: Camp gate with two turrets and ornamented cornice stars above and left field. PROVIDENTIAE CAESS. Mintmark SMHA.
RIC V11 96a.