Probus AE Antoninianus, Siscia. AD 276-282. 4.33 g.

IMP PROBVS P F AVG, radiate, cuirassed bust right.
SOLI INVICTO, Sol, holding whip and globe, driving galloping quadriga left.

Mintmark XXIP.

RIC V-II, 770.

With permission of Numismatica Ars Classica auction 72, Lot 740, May 2013 corr. (RIC reference)