Hidden archaeological treasures are celebrated in this article from BBC Wales (link):
https://www.bbc.co.uk/news/uk-wales-45770001
The finds together with these mentioned in a BBC NI article a few weeks ago show that ‘amateur archaeologists’ armed with metal detectors our harvesting a rich haul.
The Irish finds also mention rare Viking coins that originated from the Isle of Man and also unusually for Ireland Roman artefacts (link):