The Cleaning Process Cleaning of coins, especially expensive ones, should mostly be left to the professionals, which is fairly significant. If in doubt, it would essentially be best not to clean the coin. The most difficult situation is trying to determine what type of contamination or condition exists as well as what method or technique […]

The Art of Grading Ancient Coinage Controversy is the first thing that usually comes to mind when this word is uttered regarding ancient coins. There could be a good reason for controversy. No definitive grading guide has ever been published, and none likely will be, considering the vast number of coin types to be considered. […]