Watch List notes:

Antoninus Pius (138-161), As, Rome, AD 150-151; AE (g 10,46; mm 29; h 6); IMP CAES T AEL HADR ANTONINVS AVG PIVS P P, laureate head r., Rv. [TR] POT XIIII - COS IIII, Iustitia seated l., holding patera and sceptre; in field, S - C; in ex. [IV]STITIA. RIC 881; C 474.
Brownish patina, good very fine.