Elagabalus, AE Sestertius. AD 218-222. Rome mint. 32mm, 23.17 g. 

IMP CAES M AVR ANTONINVS PIVS AVG, laureate, draped and cuirassed bust right 
ADVENTVS AVGVSTI, SC, emperor on horseback left, holding
sceptre and raising right hand. 

RIC 340; Cohen 6; Sear 7561.
Rated rare.