Mike Smith, 45, thought he’d unearthed a medieval brooch but things got a lot more interesting when he was told it was part of a horse harness dating back 2,000 years.
Archaeologists’ ground- penetrating radar showed buried ditches and walls, suggesting a settlement
Wheel parts have since been found in the field in South Pembrokeshire, now legally protected.
Mike, of Milford Haven, will profit after a coroner declared the find treasure and Crown property.
A valuation committee will decide on the payment to Mike and the landowner, split 50-50.
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