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Diocletian

C. Aurelius Valerius Diocletianus
Augustus (AD 284-305)  |  De Imperatoribus Romanis entry

Diocletian was commander of the imperial bodyguard hen he was appointed emperor following the death of Numerian. He defeated Numerian's brother Carinus to become sole emperor, but quickly appointed a colleague, Maximianus, to share the burden. He soon went further and appointed two Caesars to aid and eventually succeed them. This system was known as the Tetrarchy. Diocletian also reorganised the provinces and legions, and reformed the coinage. After a reign of twenty years, he and Maximianus abdicated so that their Caesars, Constantius and Galerius, could inherit. Without Diocletian's will, however, the Tetrarchy soon fell apart


Obverse Legends on coins depicting Diocletian

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Coins of Diocletian currently available

Diocletian
Bronze follis issued AD 295-299.
Obv: IMP C DIOCLETIANVS PF AVG, Laureate head facing right.
Rev: GENIO POPVLI ROMANI, Genius standing left holding patera and cornucopiae, star in right field (STO in ex.).
Good Very Fine   |   AUD $150.00
Diocletian
Bronze follis issued AD 301-303.
Obv: IMP DIOCLETIANVS PF AVG, Laureate, cuirassed bust facing right.
Rev: GENIO POPVLI ROMANI, Genius standing left holding patera and cornucopiae, lit altar at feet (PLG in ex.).
About Extremely Fine   |   AUD $150.00