Watch List notes:

Severus Alexander. A.D. 222-235. Æ as (25 mm, 9.95 g, 11 h). Rome, A.D. 228. 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 driving triumphal quadriga right. RIC 498b; BMC 582; Cohen 378. Popular type. Olive-green patina, surfaces a little rough. Good very fine / very fine.