Julian II, AE 18mm, Siscia.

Obv: DN IVLIAN-VS NOB C, bare-headed, draped, cuirassed bust 
right.
Rev: FEL TEMP-REPARATIO, , soldier spearing fallen horseman 
who is wearing a Phrygian helmet, reaching backwards.
Left field: M
Mintmark: Delta SIS.

RIC VIII Siscia 378, rated Scarce

from Dane's collection, Oct. 2010.