While some coins are "official" U.S. dollars, as in, you could take your 1 oz silver dollar and buy something with it (legal tender) that cost a dollar, their real value, should the SHTF, or in any transition will be almost certainly be the same as any other ounce of silver. Your best bet imo is to buy the cheapest you can.

I have bought local, from JMBullion, Golden State Mint, and Moneymetals Exchange.

While some coins are "official" U.S. dollars, as in, you could take your 1 oz silver dollar and buy something with it (legal tender) that cost a dollar, their real value, should the SHTF, or in any transition will be almost certainly be the same. Your best bet imo is to buy the cheapest you can.

I have bought local, from JMBullion, Golden State Mint, and Moneymetals Exchange.