What To Use When Polishing a Coin?

If you want it to look mint without messing around with a bunch of oils and chemicals, use ketchup. It removes all sorts of grime without leaving residue when rinsed. Test on a dirty penny if you want evidence without using your collectible coin as a guinea pig.
 
If you want it to look mint without messing around with a bunch of oils and chemicals, use ketchup. It removes all sorts of grime without leaving residue when rinsed. Test on a dirty penny if you want evidence without using your collectible coin as a guinea pig.
 
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