Watch List notes:

Antoninus Pius (138-161), As, Rome, AD 140-144; AE (g 9,79; mm 26; h 12); ANTONINVS AVG PI - VS P P TR P COS III, laureate head r., Rv. SALVS - [AVG], Salus standing l., holding sceptre and feeding snake coiled round altar; in field, S - C. RIC 688b; C 713.
Dark patina, about extremely fine.