What? You mean there are places where Gold and Silver are NOT legal tender?
Yes....
So which states have (re) legalized Gold and Silver coin? That means they are "legal tender" again...
Arizona, Utah and Oklahoma
Source:
http://www.thedailybell.com/news-analysis/states-treating-gold-and-silver-as-real-money-now/Why is it not legal everywhere? You ask. Rhetorically questioning the situation is a way of leading you to do the same...
In a word: taxes. Read the source article to see why it is so difficult to force a return to sound money usage.
Why should I read it? So you know how desperately necessary it is to get out of the fiat habit.
[rant off]
As a prepper, YOU might be aware of the recommendation to have "some" amount of Gold and Silver in your preps. That is physical metal, in your possession.
There is an argument made that only minted coins (numismatic) are worth holding. While the above situation speaks to this as valid, it does not address an after-the-crash situation in which Gold and Silver bars and non-numismatic coins are just as useful in transactions.
Since the re-legalization of Gold and Silver coin is a VERY slow and uncertain process, I would advise keeping whatever form of Real Money you can afford.