Watch List notes:

Severus Alexander (222-235). AE Sestertius, 231-235 AD. Obv. IMP ALEXANDER PIVS AVG. Laureate, draped and cuirassed bust right. Rev. MARS VLTOR SC. Mars advancing right, holding spear and shield. RIC IV 635; C. 169. AE. 17.74 g. 30.00 mm. Green brown patina, with reddish spots. VF.