Julia Mamaea, mother of Severus Alexander (died 235 AD). AE Sestertius, Rome mint, struck under Severus Alexander. Obv. IVLIA MAMAEA AVGVSTA. Diademed and draped bust right. Rev. FELICITAS PVBLICA. Felicitas standing facing, head to left and leg crossed, holding caducaeus and leaning on column; S-C across fields. RIC IV (Sev. Alex.) 676; C. 21. 18.98 g. 31.50 mm. Superb example with enchanting glossy green patina. EF.