Constantius II AE3 23mm. Cyzicus

Obv: DN CONSTAN-TIVS PF AVG, pearl-diademed, draped, cuirassed bust right
Rev: FEL TEMP RE-PARATIO, soldier spearing fallen horseman 
who is wearing a Phrygian helmet and is reaching backwards.

Gamma in left field. 
Mintmark: SMK Delta

RIC VIII Cyzicus 93A var (unlisted officina).

Courtesy of Roma Numismatics, Feb, 2010