Watch List notes:

Antoninus Pius (138-161), Sestertius, Rome, AD 140-144; AE (g 24,17; mm 34; h 12); ANTONINVS AVG PI - VS P P TR P COS III, laureate head r., Rv. [SAL]VS - AVG, Salus standing l., holding sceptre and feeding snake coiled round altar; in field, S - C. RIC 635; C 710.
Green patina, about extremely fine / very fine.