Constantine I AE3. 

Obv: CONSTAN-TINVS AVG, head right wearing diadem decorated with square 
 rosettes 
Rev: PROVIDEN-TIAE AVGG, campgate, 2 turrets, 13 layers (1 layer more than the 
 RIC authors saw), star above, no doors. 
Mintmark: SMANT(Epsion). 

RIC VII Antioch 78, rated R3.

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