NGC AU Diocletian AD284-305 Aurelianianus / Antoninianus Diocletian Latin: Gaius Aurelius Valerius Diocletianus, nicknamed "Jovius", was Roman emperor from 284 until he stepped down from the throne in 305. He was born Diocles to a common family in the Roman province of Dalmatia. Diocles rose through the ranks becoming a cavalry commander for the army of Emperor Carus. After Carus and his son Numerian died on campaign in Persia, Diocles was proclaimed emperor by the troops, taking the name Diocletianus. The title was also claimed by Carus's surviving son, Carinus, but Diocletian defeated him in the Battle of the Margus. Diocletian's reign stabilized the empire and ended the Crisis of the Third Century. He appointed fellow officer Maximian as Augustus, co-emperor, in 286. Diocletian reigned in the Eastern Empire, and Maximian reigned in the Western Empire. Grade: ( AU ) Almost Uncirulated - Certified, Graded and Encapsulated by NGC The Aurelianianus was introduced by Aurelian as a replacement to the Antoninianus ( Double-Denarius ) in 274 A.D. and struck until 293 A.D. and Diocletian's monetary reform that saw the silver content fall to almost zero. You Will Receive the Same Type of Coin and Condition Shown , Certificate Number Will Vary As Stock Photos Are Used Free USPS Ground Advantage with Tracking and Insurance!