Cleaning coins

The most popular question that can be found on the Kopar forums is a discussion of the problem of what and how best to clean coins and other finds. I will tell you about my personal deplorable and repeated experience in cleaning coins some…

After using the worst cleaning methods, for example, citric acid, vinegar, etc., the question inevitably arises of how to return the lost panina. The simplest of all imaginable and not so simple methods is sulfur ointment. You can get it…

When you come home from digging, the first thing you should do is wash what you found in ordinary water, wash off the dirt and dust. Most likely, you will then find spots or even green growths on copper coins. This is nothing more than…