Constantius II, AE of Antioch. 

DN CONSTAN-TIVS PF AVG, pearl and rosette diademed, draped, cuirassed bust right.
FEL TEMP RE-PARATIO, horseman standing left, spearing a 
fallen horseman who is bearded, hair in braids, clutching 
the horse's neck. 
Gamma in left field. 

Mintmark ANZ. 
RIC VIII Antioch 135 var (bust type)

Contributed by Randy Hartsock, March 2017.