Watch List notes:

Macrinus (217-218), Antoninianus, Rome, AD 217-218; AR (g 4,72; mm 23; h 12); IMP C M OPEL SEV MACRINVS AVG, radiate, draped and cuirassed bust r., Rv. IOVI CONSERVATORI, Jupiter, naked, standing l., holding sceptre and thunderbolt; before him stands small figure of Macrinus. RIC 77; C 38.
Very rare, cabinet tone, extremely fine.