Severus Alexander (222-235). AE Sestertius, 223 A.D. Obv. IMP CAES M AVR SEV ALEXANDER AVG. Laureate, draped and cuirassed bust right. Rev. PONTIF MAX TR P II COS P P SC (in exergue). Securitas, seated left, holding sceptre and supporting her head against throne back with her left hand; lighted altar before. RIC 407. C. 463. AE. g. 21.87 mm. 30.50 VF.