Caracalla (198-217). Antoninianus. Rome. 23 mm, 4.90 g.

ANTONINVS PIVS AVG GERM, radiate, cuirassed bust right seen from back. 
P M TR P XVIII COS IIII P P Serapis seated l. holding 
sceptre and wearing modius, at his feet Cerberus, 

RIC 261c.

With permission of Numismatik Naumann auction 65, Lot 658, May 2018.