Probus, Antoninianus, 277 (Pink)/280-281 (Gysen), Fourth Emission, Serdica, Officina 3IMP C M AVR PROBVS AVGRadiate, helmeted, cuirassed bust left, shield in left hand, spear over shoulder in rightVIRTVS PROBI AVGEmperor galloping on horseback right, spearing enemy whose shield lies beneath horseKA . G . in exergue 22mm x 23mm, 3.23g