Watch List notes:

Severus Alexander, 222-235. Denarius (Silver, 19 mm, 3.13 g, 12 h), Rome, 229. IMP SEV ALEXAND AVG Laureate head of Severus Alexander to right, with slight drapery on his left shoulder. Rev. P M TR P VIII COS III P P Mars standing front, head to right, holding spear in his right hand and placing his left on shield set on the ground. BMC -. Cohen 364 var. (without drapery). RIC 91 var. (without drapery). A rare bust variety. Minor deposits, otherwise, virtually as struck.