Probus, Antoninianus, Serdica.

BONO IMP C PROBO PF AVG, radiate, draped and cuirassed bust right.
PROVIDEN DEOR, Providentia standing right with two standards, facing Sol, standing left, holding globe and 
raising right hand.
Star in lower centre.
Mintmark KAB.

RIC V-2 Serdica 850 var (mintmark).
With permission of Numismatik Lanz, Auction 114, lot 717, May 2003.