https://www.iflscience.com/part-of-the-bronze-age-treasure-of-villena-appears-to-have-an-extraterrestrial-origin-76762
It came from outer space...!
I am surprised by the reluctance of archaeologists to consider the use of meteoric iron. It is a well enough known material and would have added considerably to the kudos of the items.
I guess it's just the proving of it without resorting to destructive methodologies as it says in the report