Constantius II AE3 (21mm), Thessalonica.

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

Mintmark: TS gamma

RIC VIII Thessalonica 180, rated C2.

From Dane's collection, Nov. 2010.