Watch List notes:

ANTONINUS PIUS, (A.D. 138-161), with Marcus Aurelius Caesar, silver denarius, Rome mint, issued 141, (3.37 g), obv. around ANTONINVS AVG PIVS P P TR P COS III, laureate head of Antoninus Pius to right, rev. AVRELIVS CAESAR AVG PII F COS, bare head of Marcus Aurelius to right, (S.4524, RIC 417a, RSC 15, BMC 155). Bright, nearly extremely fine and rare.