223 AD., Severus Alexander, Rome mint, Æ Sestertius, RIC 407.

Severus Alexander, Rome mint, 223 AD.,
Æ Sestertius (28-30 mm / 20,30 g),
Obv.: IMP CAES M AVR SEV ALEXANDER AVG , laureate, draped, and cuirassed bust of Severus Alexander right, seen from back.
Rev.: PONTIF MAX TRP II COS P P / S C , Securitas seated left, holding scepter, resting head on hand; lighted altar before.
RIC IV, 104, 407 ; Coh. 463 ; BMC 123 ; Banti 126 .