Diocletian (AD 284–305) Roman Empire AE Antoninianus NGC F

Diocletian — Reformer of the Roman Empire

This bronze antoninianus represents Diocletian, the soldier-emperor who ended decades of rapid succession and rebuilt imperial government around shared rule.

Coin Details

• Ruler: Diocletian
• Reign and issue period: AD 284–305
• Empire/region: Roman Empire
• Denomination: Antoninianus (radiate denomination)
• Composition: AE (bronze or copper alloy)
• NGC grade: F — Fine
• Sheldon-scale equivalent: 12
• Quantity supplied: One encapsulated coin

The Sheldon-scale number is an equivalent associated with the stated ancient-coin grade; it is not a separate numerical grade assigned to the coin.

Diocletian — Tetrarchy, Reform, and Abdication

Diocletian was proclaimed emperor in AD 284 and restored central authority after the long third-century crisis. He reorganized administration, taxation and the army, then developed the Tetrarchy so two Augusti and two Caesars could govern different regions while presenting a united empire.

His reign also saw the empire-wide persecution of Christians beginning in AD 303. In AD 305 Diocletian and Maximian abdicated together; Diocletian retired to his palace near modern Split, becoming the rare Roman emperor who voluntarily surrendered power.

What the Coin Tells Us

The radiate antoninianus belonged to the monetary system Diocletian inherited before his later reforms introduced new denominations. Its bronze fabric reflects the severe debasement of what had begun as a silver coin.

Diocletian’s coinage documents the transition from individual soldier-emperors to the highly organized visual language of the Tetrarchy. Portraits and reverse types increasingly stressed unity, stability and imperial restoration.

What You Will Receive

You will receive one bronze antoninianus of Diocletian in an NGC Ancients holder, graded F (Fine). A specific mint, issue year, reverse design, inscription, weight or diameter is not promised unless expressly stated above.

Stock-photo notice: The photographs are representative of the product offering. The coin supplied may differ from the pictured example in portrait style, reverse design, inscriptions, centering, toning, surface appearance and other individual characteristics while remaining within the stated coin type and any expressly stated grade.