Gold and Nickel Coins

• 1). Fill a dish with warm distilled water. Do not use tap water.
  
  
• 2). Add 3 drops mild liquid dish soap. Do not use dish soap that contain bleach.
  
  
• 3). Put the coin into the soapy water and let it sit for at least 10 minutes. This should soften the glue slightly.
  
  
• 4). Remove the coin and scrub it with a soft-bristled brush until you remove the old glue residue.
  
  
• 5). Rinse the coin with distilled water and dry it completely.
  
  

Silver Coins

• 1). Fill a shallow bowl full of acetone. Acetone is a strong solvent that will remove old glue residue.
  
  
• 2). Put the silver coin into the bowl.
  
  
• 3). Let it soak until you can feel that the old glue has worn off.
  
  
• 4). Remove the coin and rinse it completely with distilled water. Dry it off with a clean cloth.
  
  

Copper Coins

• 1). Fill a bowl with grape oil or olive oil. Copper is a highly reactive metal that may change color if you use the wrong solvent.
  
  
• 2). Put the coin into the grape or olive oil.
  
  
• 3). Let it sit until the glue is loosened.
  
  
• 4). Rub a copper coin cleaning solution onto the coin if the glue is still visible.
  
  
• 5). Rinse the copper with distilled water and dry it completely.
  
  

Removing Tough Glue Stains

• 1). Soak a clean cloth in rubbing alcohol. Use this process for cleaning any type of metal coin.
  
  
• 2). Wrap the cloth around the coin and let it soak for 10 minutes.
  
  
• 3). Remove the cloth and rub off the glue residue.
  
  
• 4). Repeat the process until all of the glue is gone.