Look for silver.
Try thrift shops.
Other than that, try brass and lead.
Agreed, I would rather hand over a silver dime or quarter for bread and rice than a hunk of gold I paid big bucks for.
As for the lead and brass, I’ll be hanging on to that for when it is needed. Although I did break down and sell an old Russian Mosin-Nagant M91/30 rifle a couple of weeks ago. I bought it a dozen years ago at a pawn shop for $90 and had a guy offer me $300 for it, so I took the profit and gave the $300 to my daughter for her wedding cake. First gun I have sold in twenty years, it’s hard for me to turn one loose once bought.