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Elagabalus AD 218-222 AR Denarius, Rome. 2.76 g.

IMP ANTONINVS PIVS AVG, laureate, draped and cuirassed bust right.
LIBERTAS AVG, Libertas standing left, holding pileus and sceptre; star in left field. 

RIC IV-ii, 107; RSC 92; Sear 7523.