seger98 said:If you are talking just regular Lincoln pennies, I tumble mine in a rock tumbler, just water, dawn dishsoap & a little sand! They come out pretty nice that way, If you are talking wheaties or Indian Heads, I use he proxide method!
Zephyr said:If they're not valuable, clean'em in Cream of Tartar and water. The mint used that on the copper planchets for pennies. They won't be shiny, but they'll look like copper again....![]()