Watch List notes:

Antoninus Pius (138-161), Aureus, Rome, AD 148-149
AV (g 7,20; mm 18; h 6)
ANTONINVS AVG – PIVS P P TR P XII, bare head r., Rv. C – OS – IIII, Aequitas standing l., holding scales and cornucopiae. RIC 177a; C 237; Calicó 1502.
Struck in high relief, large flan and good extremely fine.