0 Constantius II (Gaming Token?)

Constantius II, AE3, 22mm, Rome mint. DN CONSTAN-TIVS PF AVG, pearl-diademed, draped, cuirassed bust left, holding globe, N behind bust / FEL TEMP REPARATIO, Emperor nimbate and in military dress, with shield on left arm, on horseback galloping right, thrusting his spear at two barbarians wearing Phrygian helmets, who kneel before him with their arms raised towards him. N in right field. Mintmark R dot S. RIC VIII Rome 184 var (unlisted officina, RIC lists only officina T for this "R dot.. officina" issue.)