Watch List notes:

Severus Alexander. A.D. 222-235. AE sestertius (29.9 mm, 19.96 g, 2 h). Rome mint, struck A.D. 228. IMP CAES M AVR ALEXANDER AVG, laureate and draped bust right / PM TR P VI COS II PP, S-C, Mars advancing right in military dress, holding spear and trophy over shoulder. RIC 456; BMCRE 416 var (bust type). aVF.