Watch List notes:

Antoninus Pius (138-161), As, Rome, AD 139; AE (g 10,93; mm 29; h 6); ANTONINVS - AVG PIVS P P, laureate head r., Rv. TR POT - COS II, Pax standing l., holding branch and cornucopiae; in field, S - C; in ex. PAX. RIC 569a; C 578.
Brownish patina, about extremely fine.