Watch List notes:

ANTONINO PIO. Denarius. (Ar. 3.25g / 19mm). AD 159-160 Rome. (RIC 305). Anv: Laureate bust of Antonino Pío on the right, around legend: ANTONINVS AVG PIVS PP TR P XXIII. Rev: Salus left shelf carrying scepter and feeding patera snake, around legend: SALVTI AVG COS IIII. F.