I know people out there who have invested a lot in gold under the belief that in the event of like complete societal collapse or hyperinflation, they could use it for purchasing.
I have the hunch it’s a scam, but I haven’t learned enough monetary theory, business, or economics to understand why.
At the moment unless you have some really rare stuff the numismatic value is generally less than the gold itself, I know for sure at least with standard “Napoleon” coins that is the case.