The Roman Tetrarchy — Four Emperors Who Reorganized an Empire in Crisis

Own the Four Rulers of Diocletian's Revolutionary Imperial System

A collection of four authentic NGC-certified Roman folles featuring Diocletian, Maximian, Galerius, and Constantius Chlorus—the rulers of the First Tetrarchy, the system created to govern the Roman Empire through multiple emperors and regional courts.

✓ NGC Certified
✓ Luxury Presentation Box
✓ 30-Day Returns

📷 Coins shown are representative examples. You will receive four authentic NGC-certified Roman folles of the rulers listed below. Each collection is unique and will vary in grade, strike, centering, preservation, and individual appearance.

⚔ Features the four rulers of the First Tetrarchy
👑 Includes Diocletian, Maximian, Galerius, and Constantius Chlorus
🤲 Four certified pieces of ancient history from Rome's great age of reform

Own This Piece of History

Why This Collection Matters

By the late 3rd century AD, the Roman Empire had endured decades of civil war, foreign invasion, economic disruption, plague, separatist regimes, and rapid imperial turnover.

Diocletian responded with one of the most ambitious political experiments in Roman history.

Instead of relying on a single emperor, imperial authority was shared among four rulers: two senior Augusti and two junior Caesars. This arrangement, known as the Tetrarchy, allowed the government to respond to threats in different regions while presenting the rulers as members of a single imperial college.

The First Tetrarchy consisted of:

• Diocletian — senior eastern Augustus and principal architect of the system
• Maximian — western Augustus and longtime military partner of Diocletian
• Galerius — Caesar under Diocletian and later Augustus
• Constantius Chlorus — Caesar under Maximian and later Augustus, and father of Constantine the Great

The system coincided with major military recoveries, administrative reforms, tax changes, new provincial organization, and an effort to strengthen imperial authority after the Crisis of the Third Century.

But the Tetrarchy was not a permanent solution. After Diocletian and Maximian abdicated in AD 305, disputes over succession quickly produced renewed civil wars. Within a generation, Constantine the Great had defeated his rivals and once again concentrated supreme power in a single dynasty.

That does not make the Tetrarchy a failure. It stabilized and reorganized the empire at a critical moment and profoundly influenced the structure of late Roman government. Its real significance is stronger than the simple claim that four men 'saved Rome': they created a new model of imperial rule that reshaped the Roman state even after the original four-man system collapsed.

Perfect For

• Roman history enthusiasts
• NGC-certified ancient coin collectors
• Collectors of the Crisis of the Third Century and Tetrarchy
• Educators and lifelong learners
• Anyone interested in Diocletian, Constantine, and Late Rome

What You'll Receive

• One authentic NGC-certified Roman follis of Diocletian
• One authentic NGC-certified Roman follis of Maximian
• One authentic NGC-certified Roman follis of Galerius
• One authentic NGC-certified Roman follis of Constantius Chlorus
• Period: late 3rd to early 4th century AD
• Presented in a luxury presentation box
• Authenticated and encapsulated by NGC
• Representative examples of the rulers and period (each collection is unique)

Buy with Confidence

• All coins authenticated by NGC
• Carefully curated collection
• 30-day return policy
• Secure shipping from the U.S.

Learn More

Continue the story in the Kinzer Coins Journal: Diocletian's Coinage Reform: The Nummus, Argenteus and Rome's Monetary Reset.