Watch List notes:

Severus Alexander. A.D. 222-235. Æ as (26 mm, 11.29 g, 12 h). Rome, A.D. 229. IMP SEV ALE-XANDER AVG, laureate head of Severus Alexander right / P M TR P VIII COS III P P, S C in exergue, emperor, holding eagle-tipped scepter and reins, driving triumphal quadriga right. RIC 495; BMC 575. Green patina, minor roughness, a few light cleaning marks below bust. Very fine.