Watch List notes:

Marcus Aurelius. As Caesar, AD 139-161. AR Denarius (19mm, 3.17 g, 7h). Rome mint. Struck under Antoninus Pius, AD 140-144. Bare head right / Emblems of the pontificate: secespita, aspergillum, capis, lituus, and simpulum. RIC III 424a (Pius); RSC 451. Near EF, toned, a few light marks.