Watch List notes:

Antoninus Pius (138-161), Sestertius, Rome, AD 145-161; AE (g 21,13; mm 31; h 1); ANTONINVS - AVG PIVS P P, laureate head r., Rv. C - OS - II - II, Securitas seated l., holding sceptre and propping head on hand; on field, S - C. RIC 764; C 298.
Dark green patina, spots of oxidations, about extremely fine - extremely fine.