400 Sassanian Coins Found During Training with eXp 6000

Detected with OKM eXp 6000 Professional Plus
Depth: 1.7 m (5.6 ft)
Region: Iran
Time of origin: Sasanian Empire (224 – 651 AD)


A Remarkable Discovery During Training

Recently, an extraordinary find brought ancient history to life: 400 ancient coins were uncovered at a depth of 1.7 m (5.5 ft) using an OKM eXp 6000 Professional Plus. What makes this event truly remarkable is that it happened not during an expedition, but during a training session. This underscores how even regular use of cutting-edge detection technology can lead to groundbreaking results.

The operator, a specialist in geophysics and detection engineering, demonstrated both technical mastery and a keen understanding of ground signals. This combination of experience and high-end equipment ensured the precise identification and safe recovery of the ancient coin hoard — proof that skill and technology together can uncover the secrets of history.

The Legacy of the Sassanian Empire

The Sassanian Empire (224–651 AD) was a powerhouse of culture, trade, and innovation — the last great empire of pre-Islamic Persia. Known for its monumental architecture, advanced governance, and strong economy, the empire left behind a wealth of historical treasures, among them its remarkable silver drachm coins.

Each coin tells a story: on one side, detailed portraits of Sassanian kings; on the other, sacred fire altars and Zoroastrian symbols reflecting the empire’s deep spirituality. These coins traveled along ancient trade routes, linking Persia to Rome, India, and China. Discoveries like these not only revive forgotten chapters of history but also remind us of the global exchange of ideas and goods that shaped early civilizations.

old coins from sassanid empire
Sassanian silver coins discovered during OKM training

Detection Capabilities of the eXp 6000

This discovery exemplifies how the right tools, paired with expertise, can make all the difference. The OKM eXp 6000 Professional Plus was specifically engineered for deep ground scanning, capable of identifying buried objects up to 25 m (82 ft) deep — an industry-leading performance level.

Its 3D visualization technology allowed the user to analyze sub-surface anomalies before excavation, confirming both depth and location with precision. This process reduces unnecessary digging and environmental impact, turning exploration into a science of accuracy and preservation.

old coins from sassanian empire
Recovered ancient Sassanian coins detected with OKM eXp 6000

From Scan to Discovery: Uncovering a Hidden Tunnel

During a subsequent field scan, the same operator identified a subterranean void using the eXp 6000’s Visualizer 3D Studio software. The scan revealed a clear cavity beneath the surface, which prompted a careful re-examination of the area.

Upon returning to the site, the operator discovered a cleverly hidden tunnel entrance concealed by a large rock. The finding confirmed the detector’s extraordinary precision in identifying not only metal targets but also underground voids, chambers, and structural anomalies. This capability highlights the scanner’s application in archaeology, geology, and underground exploration alike.

hidden tunnel
Hidden tunnel discovered through OKM eXp 6000 scan

The Role of Training and Expertise

This case highlights the importance of training, interpretation, and field experience in the effective use of professional-grade detectors. The OKM eXp 6000 provides precise data — but it’s the trained eye that interprets it correctly. OKM’s hands-on training sessions ensure users understand how to analyze ground scans, optimize sensor settings, and interpret results with confidence.

Proper understanding of scan data minimizes false readings and increases the chance of locating authentic archaeological targets. The discovery of 400 coins during such a session perfectly illustrates the synergy between knowledge and technology.

Technology Meets Archaeology

The OKM eXp 6000 Professional Plus embodies the future of archaeological exploration. Its advanced ground scanning technology, integrated with visualization software, bridges the gap between science and adventure. This combination empowers professionals to explore sites efficiently while maintaining the integrity of historical remains.

Each discovery not only enriches historical understanding but also reinforces the ethical responsibility of preserving what’s found. In this sense, modern treasure hunting isn’t about fortune — it’s about recovering human heritage.

Conclusion: Merging Innovation with History

The discovery of the Sassanian coin hoard during training is a testament to both human curiosity and technological innovation. It showcases how advanced tools like the OKM eXp 6000 can transform ordinary training into moments of historical significance. Beneath every scan lies a story — and with the right equipment, we can bring those stories back to light.

Frequently Asked Questions (FAQ)

  • How deep can the OKM eXp 6000 detect?
    The eXp 6000 can detect buried objects up to 25 m (82 ft) deep, depending on object size, shape, and ground composition.
  • What type of objects can it locate?
    It detects ferromagnetic objects and structures such as coins, tunnels, chambers, and relics.
  • Is the device suitable for professional archaeology?
    Yes, it’s widely used by archaeologists, engineers, and geophysical surveyors for accurate underground mapping.
  • Can beginners use the OKM eXp 6000?
    Yes, with training. OKM offers professional user training to ensure correct interpretation of scans and proper handling.
  • What made this specific discovery unique?
    The coins were found during a training session, proving that even educational use of the device can yield major archaeological discoveries.


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