Severus Alexander and Julia Mamaea. Tetradrachm; Severus Alexander and Julia Mamaea; Year 5=225/6 AD, Tetradrachm, 12.95g. Geissen-4251. Obv: Laureate, draped, cuirassed bust of Severus Alexander r. Rx: Draped bust of Mamaea r., wearing stephane. In the style of the mint of Rome, struck there for shipment to Egypt. Ex CNG XXXIII, 15 March 1995, lot 1369.. VF