Egypt. Alexandria. Julia Mamaea, mother of Severus Alexander, 222-235. Drachm (Bronze, 34.4 mm, 21.95 g). Dated RY 10 of Severus Alexander (= 230/1). ΙΟΥ ΜΑΜΑΙΑ ϹΕΒ ΜΗΤΕ ϹΕΒ Κ ϹΤP[Α] Draped bust right, wearing stephane. Rev. Dikaiosyne standing facing, head left, holding scales and cornucopia, to left palm branch; L Ι in right field. RPC VI Online, 10478. Geissen 2515. Emmett 3242. Edge nicks, pleasant patina. Nearly Very Fine. Ex Kerry K. Wetterstrom Collection. Ex CNA Ltd. XIII, 12.04.1990, lot 149. We are still in the celebratory year of the imperial 'decennalia' of 230-231 AD with the calm portrait of Julia Mamaea on the obverse. The reverse shows the well-known Dikaiosyne - Justice – goddess Moneta, a serious and admonitory deity recurring in Alexandrian coinage. A drachm of great rarity (Emmett 5).