Watch List notes:

Antoninus Pius (138-161), Dupondius, Rome, AD 139; AE (g 10,09; mm 27; h 6); ANTONINVS - AVG PIVS P P, radiate head r., Rv. TR PO - T - COS [II], Felicitas standing l., holding caduceus and cornucopiae; in field, S - C. RIC 552a; C 855.
Scarce, green patina, about extremely fine - extremely fine.