|Caracalla, known as Antoninus, was Roman emperor from 198 to 217 AD. He was a member of the Severan dynasty, the eldest son of Septimius Severus and Julia Domna. Co-ruler with his father from 198, he continued to rule with his brother Geta after their father's death in 211. He had his brother killed later that year.|
|Ancient sources portray Caracalla as a tyrant and as a cruel leader. Caracalla became known for the construction of the Baths of Caracalla, and for the massacres he ordered against the people of Rome and elsewhere in the empire. In 216, Caracalla began a war against the Parthian Empire. He did not see this campaign through due to his assassination by a soldier in 217.||The aureus shown carries an estimate of $25k to $30k|
Macrinus succeeded him as emperor three days later.