Sestertius of Antoninus Pius (138–161 AD) Rome. Obverse: Bust of the emperor with a laurel wreath, facing right, around the legend ANTONINVS AVG PIVS PP. Reverse: Victory flying to the right, holding a trophy, with the letters SC in the fields, around the legend IMP TR POT XX COS []. Bronze, diameter 31.5 mm, weight 22.01 g. Antoninus Pius (or Antoninus Pius, Latin: Titus Aurelius Fulvus Boionius Arius Antoninus) was Roman emperor from 138 to 161 AD, the fourth of the so-called "Five Good Emperors" of the Early Roman Empire. He is remembered for his stable and peaceful rule and efficient administration of the empire. Born: September 19, 86 AD, in Lanuvium, Italy. Died: March 7, 161 AD, in Lorium, Italy. Reign: 138–161 AD Predecessor: Hadrian Successor: Marcus Aurelius (his adopted son) The reign of Antoninus Pius was one of the most peaceful and prosperous in the history of the Roman Empire. Notable among his reigns were: Absence of major wars: Antoninus preferred to maintain peace and use diplomacy rather than military force.