Caracalla, AR antoninianus, 5.15 g. 

ANTONINVS PIVS AVG GERM Radiate, draped
and cuirassed bust right, seen from the back.

P M TR P XVIIII COS IIII P P Nude Jupiter standing, head 
right, holding thunderbolt and scepter. 

RIC 259; RSC 278. 

With permission of Helios Auction 5, June 2010, lot 319
Added in Aug. 2011.