RIC does not list this bust type with this obverse legend, though I have seen several; but RIC V is very much outdated. RIC V 878 does list this bust type, but without the P F in the obverse legend.
Probus
A.D. 276- 282
Ӕ Antoninianus
23x24mm 4.1gm
IMP C M AVR PROBVS P F AVG; Radiate bust left in imperial mantle, holding eagle-tipped scepter.
VIRTVS PROBI AVG; Probus on horseback with shield on left arm, with right hand spearing barbarian who is before horse on one knee and raising his arms, shield on the ground under horse.
In ex. KA•Γ•
cf. RIC V Serdica 877
