Quote Originally Posted by del View Post
Seeing the true surface condition of the coin is important on how to clean it but there are some coins that are so far gone that cleaning will only make them worse . This I believe is the most common mistake for many trying , they get a dirty copper and just plop it into some chemical to remove it when they were'nt paying attention to what the coin surface's looked like or condition. Then they blame the chemical for "ruining" it .
Truer words have never been spoken Dan. I admit I did that to a few coppers until I started copying your techniques. These days for me, every copper gets "dry cleaned" first to see what condition it is really in. Quite often, "dry cleaning" is all they will get.

Excellent post.

Jeff