Caracalla AD 198-217. Rome Antoninianus AR 22mm., 5,5 g.

ANTONINVS PIVS AVG GERM, radiate, draped and cuirassed bust right.
P M TR P XX COS IIII P P, Serapis standing front, looking left,
holding wreath and sceptre. 

RIC 289f; RSC 383. 

With permission of Savoca Numismatik auction 29 Silver, Lot 337, Dec. 2018.