Watch List notes:

Marcus Aurelius. AD 161-180. AR Denarius (19mm, 3.78 g, 6h). Rome mint. Struck AD 171. Laureate head right / COS III, Salus standing left, feeding serpent held with left hand. RIC III 234 var. (Salus standing right); MIR 18, 209-4/30 var. (same); RSC 140 var. (same). Good VF, lightly toned.