Probus, Antoninianus, 276-282, Serdica, Officina 3IMP C M AVG PROBVS P AVGRadiate, helmeted, cuirassed bust left, spear in right hand, shield decorated with raised dome in middle in left handVIRTVS PROBI AVGEmperor riding left, right hand raised, scepter in left, captive at footKA . G in exergue21mm x 22mm, 3.66g