Watch List notes:

Marcus Aurelius. AD 161-180. AR Denarius (18mm, 3.27 g, 6h). Rome mint. Struck AD 166. Laureate head right / Pietas standing left, holding acerrum and dropping incense onto lighted altar. RIC III 148; MIR 18, 133-4/30; RSC 464. Near EF, bright surfaces.