Probus (276-282). BI Antoninianus, Serdica mint. Obv. IMP C M AVR PROBVS P F AVG. Radiate and mantled bust left, holding spear and shield. Rev. VIRTVS PROBI AVG / XXIS. Probus galloping left, over enemy. RIC V 818; C. 931. 3.42 g. 23.00 mm. Nice example, traces of silvering. VF.