TYPE Roman Empire, Julia Mamaea, mother of Severus Alexander (222-235 AD), silver denarius DESCRIPTION . Obv: Draped bust of Julia to right; Latin legend: IVLIA MAMAEA AVG Rev: Vesta standing with palladium and scepter, legend VESTA REFERENCE: RSC 81, cf. SR 2315 GRADING: VF+ / AVF, porous, gray toning ORDER INFO: R2127, $52 Nice portrait, despite some porosity. 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.