Constantius II, AE22. Thessalonica. AD 324-361. 24.5 mm. 6.7 g.

DN CONSTAN-TIVS PF AVG, pearl-diademed, draped and cuirassed bust right, A behind head.
FEL TEMP RE-PARATIO, soldier standing left, spearing a fallen horseman who is wearing a Phrygian cap, sitting right on the ground, arms raised. 

A in left field. 
Mintmark TSB. 

RIC VIII Thessalonica 129. Scarce.

With permission of Eidmar auction 3, lot 657 (on biddr.com), March 2024.