subject: Coin Collection - How to Remove coins tarnish or toning correctly? [print this page] Practice with a variety of inexpensive, toned coins to figure out what can be fixed and what can't. Again, when in doubt, leave the coin alone. More coins are ruined by well-intentioned but ignorant coin collectors dipping their coins than by any other method.
Coin Collection - How to Remove coins tarnish or toning correctly?