Watch List notes:

Antoninus Pius (138-161), Sestertius, Rome, AD 145-147; AE (g 22,22; mm 30; h 6); ANTONINVS AVG PIVS P P TR P COS IIII, laureate head r., Rv. SALVS AVG / S - C, Salus standing facing, head l., feeding from patera a serpent arising from altar, and holding rudder on globe. RIC 784.
Expressive portrait, green patina, about extremely fine.