Antoninus Pius (138-161), Sestertius, Rome, AD 138; AE (31mm, 25.6 g); [IMP T] AEL CAES HADRI - ANTON[INVS AV]G PIVS, laureate head r., Rv. PONT MAX - TR POT COS, PAX Pax standing l., holding branch and cornucopiae; in field, S - C.