Aurelian, AE antoninianus, Siscia mint.

IMP AVRELIANVS AVG, radiate, draped bust left. 
GENIVS ILLVR, Genius standing left, standard to right,
holding patera and cornucopiae.
Star in left field, officina letter S below.

RIC V-1, 223 Siscia var (bust type)
Very rare

With permission of www.slaveycoins.com, March 2012.