Julia Mamaea, mother of Severus Alexander, as Augusta, 222-235 AD. Æ sestertius, 30 mm, 17.41 g. Struck in Rome, 228 AD. Obv: IVLIA MAMAEA AVGVSTA, diademed and draped bust right. Rev: FELICIT-AS PVBLICA, S C across field, Felicitas standing left holding caduceus and resting arm on column. RIC 676 (Severus). BMCRE 487 (Severus).