Constantine II AE3. 

Obv: CONSTANTINVS IVN NOB C, laureate, draped & cuirassed bust left 
Rev: PROVIDEN-TIAE CAESS, campgate, 2 turrets, 11 layers, star above, 
 no doors, dot in doorway. 
Mintmark: SMANTS. 

RIC VII Antioch 73, rated R2

Contributed by Dane for George Clegg (biggyg2), October 2007