Probus AE Antoninianus. Ticinum Mint. 

Obv: IMP C PROBVS P F AVG, radiate, cuirassed bust right 
Rev: HERCVLI PACIF, Hercules standing left, holding olive-branch, club and 
 lion’s skin; VXXT in exe.

3.19g, 23mm
Emission 4, Officina 5. 278 A.D.

References RIC 381 Bust Type F (Common