Watch List notes:

Antoninus Pius (138-161), Sestertius, Rome, AD 138; AE (g 26,51; mm 36; h 6); [IMP T] AEL CAES HADRI - ANTON[INVS AV]G PIVS, laureate head r., Rv. PONT MAX - TR POT COS, Pax standing l., holding branch and cornucopiae; in field, S - C. RIC 519c; C -.
Rare, green patina, about extremely fine / good very fine.