Caracalla, AR denarius, Rome. 3.44 g. AD 201. 

ANTONINVS PIVS AVG, youthful, laureate, draped and cuirassed 
bust right.
CONCORDIAE AETERNAE, jugate busts of Septimius Severus, 
radiate, draped and cuirassed, and Julia Domna, diademed and 
draped on crescent, right. 

RIC 125; RSC 5; BMC 275.

With permission of Numismatik Lanz, Munich, June 2013