Watch List notes:

Antoninus Pius (138-161), Sestertius, Rome, AD 140-144; AE (g 34,11; mm 34; h 12); ANTONINVS AVG PI - VS P P TR P COS III, laureate head r., Rv. AVRELIVS CAESAR AVG PII F COS, bare head of Aurelius Caesar r., draped and cuirassed bust; below, S C. RIC 1212; C 34.
Green patina, minor smoothed, extremely fine.