Does anyone know if you can get the green discoloration off this buff. Without hurtin

[holeDiver]

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[huntsman53]

A soaking in Acetone may remove the substance. Of course, it depends on how deep it has intruded into the surface as it appears to be a combination of Verdigris and corrosion! Try soaking the coin in Acetone for 1 hour at a time, remove it and see if the green substance comes off with a light scratching with your' fingernail or a toothpick. Repeat the 1 hour soakings as necessary. Due to the coin appearing to have a porous surface probably due to corrosion, I am not sure that removing the green substance will really matter.


Frank

 

[holeDiver]

Thanks FRANK I'll give it a try the coloring gives it a bit of character though what you think?

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[cudamark]

Unless that is green paint, I doubt anything is going to help. The acetone won't hurt it so give that a shot first. If it still isn't presentable, you might try electrolysis.....a little at a time....until you like the results. Frankly, trying most methods on a coin like that, usually makes them look worse.

 

[holeDiver]

Ok cool thanks for that info I appreciate it

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[huntsman53]

Unless that is green paint, I doubt anything is going to help. The acetone won't hurt it so give that a shot first. If it still isn't presentable, you might try electrolysis.....a little at a time....until you like the results. Frankly, trying most methods on a coin like that, usually makes them look worse.

I agree 100% with the statement in Bold! I see so many folks soaking coins in vinegar and/or Hydrogen Peroxide to possibly make a Date visible. While the Date may become visible with either, the surface of the coin is pretty much being destroyed. Most, especially Copper coins, are stripped of most if not all toning/patina with most showing a raw pinkish Copper and pitting, both of which have destroyed any collectible value the coin may have had!


Frank

 

[Silver Searcher]

A fibre pen is the only safe way to remove the green, electrolysis will ruin it.

SS

 

[holeDiver]

What is a fiber pen?

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[holeDiver]

Fibre pen?

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[huntsman53]

Fibre pen?

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It is a Fibre Glass Cleaning Pen! Just be very careful if you use one of these pens as you can get fiberglass in your' fingers, hands or elsewhere that can be painful.




Frank

 

[Silver Searcher]

Fibre pen?

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Available of eBay, you can also use a carbon pen. Interesting the Saxon Gold hoard found in England a few years back was cleaned by the British Museum, using Hawthorn spikes.

SS

 

[huntsman53]

I have never used a Fibre Glass Cleaning Pen but might try it out! I soak dirty and crusty coins...especially Coppers in Extra Virgin Olive Oil or Mineral Oil, then remove the dirt, crustiness and any removeable corrosion with green Rose Thorns. Using Hawthorn spikes is probably about the same as using green Rose Thorns as they will not scratch Coppers and will remove a lot of stuff off of coins.


Frank

 

[Silver Searcher]

I have never used a Fibre Glass Cleaning Pen but might try it out! I soak dirty and crusty coins...especially Coppers in Extra Virgin Olive Oil or Mineral Oil, then remove the dirt, crustiness and any removeable corrosion with green Rose Thorns. Using Hawthorn spikes is probably about the same as using green Rose Thorns as they will not scratch Coppers and will remove a lot of stuff off of coins.


Frank

Yes olive oil also works, and stops the coin from drying out.

SS