[lukan]

I guess it is the same thing with other archeologic artefacts. Here in germany, if you find something old and remarkable, you must report it and you will get nothing, no matter how long you searched. So most of that stuff is happening illegal and underground, which means that most findings never make their way to the researchers and the public, like this here allmost did not:

https://en.wikipedia.org/wiki/Nebra_sky_disc