Some time ago one of my classmates asked innocently to the Archaeology teacher:
'Professor, can we have archaeological artifacts at home?'
'THAT'S A CRIME!! IT BELONGS TO THE STATE!!'
'But... if... if we find them... are we given any money...?'
'BUT ARE YOU AN ARCHAEOLOGIST OR A TREASURE-HUNTER???'
And in that very moment I just thought 'I'm going to have an awesome collection of helmets and you can't stop me!'
Let's pretend you have a farm. One day you go out to plant some potatoes and you find some 'terra sigillata' (www.google.pt/imgres?sa=X&…
. And it happens that, not far from your farm, there's a bunch of archaeologists digging some Roman stuff. And because you have no clue of what is that, and because it looks old and Roman, you go and ask them 'I just found this! What the heck is this crap?'
And they explain you what is the 'terra sigillata' thing and they'll try to get it from you.
-option a) give the artifact, that will go to the basement of some museum and never see the daylight again
-option b) give the artifact, that will go the basement of some university ('my' basement is a mess... come on, that's the Roman/Pre-Historic invasion!! We can barely move there!)
-option c) keep the artifact to yourself and give it the deserved treatment (which would give you a lot of troubles, specially if the archaeologist you talked to was my teacher...)
And considering how the State (at least in Portugal) cares about the monuments/archaeological artifacts, what would you do?