Watch List notes:

Antoninus Pius (138-161), Denarius, Rome, AD 147-148; AR (g 3,06; mm 19; h 6); ANTONINVS AVG - PIVS P M TR P XI, laureate head r., Rv. C - OS - IIII, Salus standing l., holding rudder on globe and feeding snake coiled round altar. RIC 167; C 280.
Cabinet tone, about extremely fine.