Watch List notes:

Macrinus, 217-218. Denarius (Silver, 20 mm, 3.17 g, 12 h), Rome, 217. IMP C M OPEL SEV MACRINVS AVG Laureate and cuirassed bust of Macrinus to right. Rev. SALVS PVBLICA Salus seated on throne, partially facing but turned to the left; with her right hand, caressing snake, coiled around an altar to left, and with her left, feeding it from a patera. BMC 26. Cohen 114. RIC 84. Attractive details, well centered. Very fine.
From a European collection, formed before 2005.