Watch List notes:

Marcus Aurelius. A.D. 161-180. AR denarius (19.3 mm, 3.22 g, 12 h). Rome mint, Struck A.D. 170-171. IMP M ANTONINVS AVG TR P XXV, laureate head of Marcus Aurelius left / COS III, Jupiter seated left, holding thunderbolt and scepter. RIC III 228; RSC 114. VF.

From the William Porter Collection.