A "hugely important" Viking artefact that was found in Norfolk and worth thousands of pounds has sold at auction.
Jason Jones, 44, made the find while searching a field near Watton in January with his family.
Mr Jones, a construction industry worker from Norwich, had previously found two silver coins in the same area and was using a backup machine at the time of the discovery after his main detector had run out of battery.
"I returned to the area where the coins were found and got a loud signal," he said.
"At a depth of just two inches, I found an unusual bronze object.
"Neither my wife nor I had any idea what it could be, but that evening after posting a picture on Facebook we realised it was Viking in date and notified the local archaeologist to have it recorded."
The artefact, a bronze die, would have been used as a decorative motif on military helmets, similar to those seen on the famous Sutton Hoo helmet.
READ MORE: Rare gold coin dating back to Emperor Claudius’ invasion of Britain found in Norfolk
Nigel Mills, a coins and artefacts specialist at Noonans, said: "The object is an intricate 11th-century Urnes style ornamentation possibly representing the world tree Yggdrasil with the monstrous serpent Nidhogg intertwining within its roots.
"The die would have been used to make a stamped foil of thin metal which would display the pressed-out image."
Estimated to be worth around £24,000, the artefact was displayed in a sale of ancient coins and antiquities at Noonans in Mayfair on Wednesday.
It sold for £15,000 which Mr Jones said he is going to share with the landowner and use his share to support his family.
Also in the sale was a rare gold aureus coin which had been found in a field near Diss that sold for £4,000.
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