Trade with labor, tending the crops, or delivering them or something. The metals are heavy, and need additional lead to protect them (needed to guard your food), so in a total SHTF situation I would not want them unless I needed the metals to make silver and gold bullets...
Someone lives in a town house with no garden or space for growing/making anything. Are they going to trade with pebbles or precious metals?
Trade with labor, tending the crops, or delivering them or something. The metals are heavy, and need additional lead to protect them (needed to guard your food), so in a total SHTF situation I would not want them unless I needed the metals to make silver and gold bullets...