Watch List notes:

Marcus Aurelius. AD 161-180. AR Denarius (18mm, , 12h). Rome mint. Struck AD 173. Laureate head right / RELIG AVG IMP VI COS III, Mercury, wearing petasus, standing facing, head left, holding patera and caduceus. RIC III 285; MIR 18, 256-4/30; RSC 530. In NGC encapsulation 3997830-003, graded Ch AU.