Probus, AE antoninianus, AD 276-282. Serdica, 

IMP CM AVR PROBVS AVG, radiate bust left, wearing 
imperial mantle, holding eagle-tipped sceptre. 
SOLI INVICTO, Sol, radiate, holding globe and raising right 
hand, standing in facing, spread quadriga. 

Mintmark KA delta.

RIC V-2 Serdica 862 var (no dots in mintmark; holding globe 
instead of whip)

With exclusive permission of TimeLine Auctions (www.timelineauctions.com), Apr, 2014