TYPE Roman Empire, Julia Mamaea, mother of Severus Alexander (222-35 AD), silver denarius, 2.64g DESCRIPTION . Obv: Draped bust of Julia to right; Latin legend: IVLIA MAMAEA AVG Rev: Felicitas seated l., holding caduceus and cornucopiae, legend FELICITAS PVBLICA REFERENCE: RSC 24, RIC 338 GRADING: EF / AEF, slightly porous ORDER INFO: R2752, $75 Attractive on both sides scarcer denarius. The last of the influential Severan matriarchs (all with the first name Julia), Mamaea ultimately shared the same sad - though not uncommon - fate as her son, protege and final Severan, Alexander. Their assassination marked the beginning of a half-century of instability and partial anarchy.