The sestertius or sesterce was an ancient Roman coin. During the Roman Republic it was a small silver coin issued only on rare occasions. During the Roman Empire it was a large brass coin.
Sestertius of Hadrian, dupondius of Antoninus Pius, and as of Marcus Aurelius
Example of a detailed portrait of Hadrian AD 117–138
A sestertius of Nero, struck at Rome in AD 64. The reverse shows the emperor on horseback with a companion. The legend reads DECVRSIO, "a military exercise". Diameter 35 mm
Marcus Aurelius Antoninus was Roman emperor from 161 to 180 and a Stoic philosopher. He was a member of the Nerva–Antonine dynasty, the last of the rulers later known as the Five Good Emperors and the
Bust, Musée Saint-Raymond
A bust of young Marcus Aurelius (Capitoline Museum). Anthony Birley, his modern biographer, writes of the bust: 'This is certainly a grave young man'.
Sestertius of Antoninus Pius (AD 140–144). It celebrates the betrothal of Marcus Aurelius and Faustina the Younger in 139, pictured below Antoninus, who is holding a statuette of Concordia and clasping hands with Faustina the Elder. Inscription: ANTONINVS AVG. PIVS P. P., TR. P., CO[N]S. III / CONCORDIAE S.C.
Denarius of Antoninus Pius (AD 139), with a portrait of Marcus Aurelius on the reverse. Inscription: ANTONINVS AVG. PIVS P. P. / AVRELIVS CAES. AVG. PII F. CO[N]S. DES.