Probus (276-282). BI Antoninianus, Siscia mint. Obv. IMP C M AVR PROBVS P F AVG. Bust of Probus, radiate, wearing imperial mantle, left, holding sceptre surmounted by eagle in right hand. Rev. VIRTV-S PR-OBI AVG. Mars walking right, holding spear and trophy; sometimes at foot; in exergue, XXIQ. RIC V 810. BI. 4.28 g. 22.00 mm. Alloy with high amount of silver. Rough surface, otherwise. EF.