Watch List notes:

Severus Alexander (222-235 AD). AR Denarius, 227 AD. IMP C M AVR SEV ALEXAND AVG. Laureate, draped and cuirassed bust right. / PM TR P VI COS II PP. Mars walking right, carrying spear and trophy. RIC IV 61; C. 305. AR. 2.73 g. 20.00 mm. Brilliant and lightly toned, with a hint of iridescence. EF/About EF.