Roman coin of Probus - MARTI PACIF 21mm, 2.7 grams
Probus, fully silvered with some dark green tarnishing Size: 21mm Weight: 2.7 grams Obverse: IMP C PROBVS P F AVG, Radiate, cuirassed bust right. Reverse: MARTI PACIF, Mars advancing left, holding olive-branch, shield and spear