While it is instinct make old things look shiny and new again, like many people do with their antique cars, in the coin industry it's best to let a coin stay in its natural. Again, we do not recommend attempting to clean your coin on your own. Have professionals do this. That's where the PCGS Restoration Service. Cleaning coins can make the image on the front and back clearer, and can remove dirt and grime that has accumulated over years or decades. However, if you.

Should you clean coins - probably