But it is a good thing he was so persistent. In September of 2009, while using his metal detector on the land of a friend's farm, the detector started beeping wildly. Herbert started digging and soon discovered that he had hit the jackpot: He had stumbled upon the largest Anglo-Saxon treasure ever found. The treasure consisted of 11 pounds of gold and 5 pounds of silver in the form of over 1500 crosses, of the Anglo-Saxons, the rulers of England from the 5th century until 1106. They also believe that this discovery will be considered one of the most important discoveries in British archaeological history