There be marks left on the alloy wheels if someone had removed them from the wheels as I'd doubt if anyone stealing them would bother about damaging the alloys.
Certainly in Northern UK climate, these centre trims do not last very long before looking nasty, I replaced all of them on my daughter's late 2009
Ibiza when it was about 6 years old, I bought mine via eBay, from a SEAT
dealership that was being closed down.