Macrinus AR Denarius. AD 217-218. 18-20mm; 2.71 g. IMP C M OPEL SEV MACRINVS AVG, laureate and cuirassed bust right; older features with long beard. SALVS PVBLICA, Salus seated left on throne, holding patera, feeding a serpent rising from an altar at foot left, and extending right hand to touch its head. RIC 85b; BMCRE 75; RSC 114. With permission of cngcoins.com, the AK collection.