Aurelian, AE antoninianus. Siscia.

IMP AVRELIANVS AVG, radiate, draped bust seen totally
from the back, head left, holding spear and a shield
with horseman motif.
CONCORDIA MILITVM, Aurelian standing right, clasping hands 
with Concordia standing left.
Mintmark S star.

RIC V-1, 218 Siscia var (unlisted bust type), Rare.

Used with permission of Numismatica Ars Classica