Watch List notes:

Severus Alexander, 222-235. Denarius (Silver, 19 mm, 2.78 g, 12 h), Rome, 222-228. IMP C M AVR SEV ALEXAND AVG Laureate and draped bust of Severus Alexander to right. Rev. MARTI PACIFERO Mars standing facing, head left, holding branch in right hand and reversed spear in left. BMC 68. Cohen 173. RIC 160. Perfectly centered. Slight graininess, otherwise, extremely fine.