Metal Detectorists Adam Staples and Lisa Grace, unearthed 2,528 rare silver coins during a training session teaching others how to metal detect.
The coins dating back to around the time of the Battle of Hastings are so rare that some may be worth up to £10,000 each.
This is the second largest find or Norman coins in the UK and could be worth up to £5 million.
You can read more about it on the BBC website here.