Elagabalus, AV Aureus. Struck AD 221. Rome. 6.22 g. 

IMP CAES M AVR ANTONINVS AVG, laureate, draped and cuirassed bust right.
PONTIF MAX TR P, Roma seated left, holding Victory and sceptre, shield at her side.

RIC 5; Sear 7478; Berlin 18204267. 

Very rare.

Image courtesy of the Münzkabinett Berlin.