Probus (276-282). BI Antoninianus, Serdica mint, AD 277. Obv. IMP C M AVR PROBVS P AVG. Radiate and mantled bust left, holding eagle-tipped sceptre in right hand. Rev. SOLI INVICTO. Sol, radiate, in spread quadriga, holding whip and raising hand; KA•A• below. RIC V 864. 3.8 g. 23.5 mm. Fully silvered. Minor pitting. About FDC.