Watch List notes:

Marcus Aurelius. A.D. 161-180. AR denarius (18.81 mm, 3.45 g, 12 h). Rome mint, struck 169 A.D. M ANTONINVS AVG TR P XXIII, laureate head of Marcus Aurelius right / SALVTI AVG COS III, Salus standing facing, head left, feeding from patera a serpent which rises from the altar at her feet. RIC 207; RSC 546. VF, lightly toned, slightly porous surfaces, several flan-nicks.