Constantine I AE Follis. 

Obv: No legend, laureate head right  
Rev: CONSTAN-TINVS-AVG, legend in three lines; wreath above. 
Mintmark: SMANTG, (dot) below. 

RIC VII, Antioch 57, rated R3.

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