Antoninus Pius. Sestertius; Antoninus Pius; 138-161 AD, Rome, 154 AD, Sestertius, 26.78g. BM-1963 note, RIC-929, C-543. Obv: ANTONINVS AVG PI - VS P P TR P XVIII Head laureate r. Rx: LIB[ERT]AS - COS IIII S - C Libertas standing l. holding cap and scepter.. EF