Watch List notes:

Antoninus Pius (138-161), As, Rome, AD 145-161; AE (g 11,27; mm 26; h 6); [AN]TONINVS AVG PI - VS P P TR P COS IIII, laureate head r., Rv. SECVRITAS - PVBLICA, Securitas standing l., holding sceptre and leaning on column; in field, S - C. RIC 828; C -.
Portrait in high relief, about extremely fine.