Severus Alexander (222-235). Æ Sestertius (28mm, 16.68g). Rome, AD 223. Laureate, draped, and cuirassed bust r. R/ Securitas, draped, seated l. on throne, holding sceptre and resting head on l. hand, resting l. arm on top of throne; to l., garlanded and lighted altar. RIC IV 407. Fine