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 AVGVSTA Rev: Juno standing l., holding patera and scepter, peacock below, legend IVNO CONSERVATRIX REFERENCE: SR 2310 GRADING: AEF / VF+, slightly porous ORDER INFO: R1854, $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.