"Knew where he'd Found What"

NMGW-9C0216 : Ringland Hoard.

On 19th December 2007, Mr. Craig Mills discovered a hoard of two bronze bowls and a bronze wine strainer while metal detecting at Langstone, Newport. A complete wooden and bronze tankard was also discovered by the finder at the same time and within a few metres (estimated at 25 feet by the finder, but established through follow up survey and investigation as 12.8m) of the hoard. The discoveries were made in a field under pasture, which had not been ploughed within living memory, in a low-lying area prone to water-logging.

What value are the findspot 'data' in the PAS database when in many cases they rely only on hearsay?