Aurelian, AE antoninianus, unattributed mint.

IMP AVRELIANVS AVG, radiate, cuirassed bust right.
CONCORDIA MILITVM, Emperor standing right, holding 
sceptre, clasping hands with Concordia.
In exergue: dolphin.

Unattributed mint
RIC V-1, 392, rated rare.

With permission of Numismatik Lanz, Munich.