Latest Probus addition, pic is a bit dull, there is quite some silvering showing.
PROBUS AE24mm 3,8g billon Aurelian/Antoninian (VF+, deposits)
AV: IMP C M AVR PROBVS PIVS AVG; radiate, draped, wearing trabea holding eagle-tipped scepter bust l.
REV: VIRTVS PROBI AVG; emperor galloping right, spearing kneeled enemy whose shield lies beneath horse.
EXE: KA·A·
REF: RIC V-2 880var, couldn't find it in RIC for the combination of bust type and obv. legend, rather scarce, 4th emission of Serdica mint, 1st officina, 277AD.