Ancient Roman sestertius coin of emperor Trajan. 30mm diameter and 20.8gms weight.
Trajan
was Roman emperor from 98 to 117, one of the Five Good Emperors of the
Nerva–Antonine dynasty. He was a philanthropic ruler and a successful
soldier-emperor, who led the Roman Empire to its greatest territorial
extent by the time of his death. He was given the title of optimus by
the Roman Senate.