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"Never clean a coin" Well the reality is most coins have some form of cleaning done. I was recently told that Copper coins can be cleaned with "Vaseline" has anyone heard of this? Is this an acceptable thing to do?

I have tried it, & it works really well. should I continue? Or is this frowned upon by coin experts out there?

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Soap and water to remove dirt shouldn't ever cause any problems as long as you aren't rubbing the coin too hard.

 

I've tried the Vaseline method on a silver coin that had some green junk (PVC contamination) and it didn't work at all.

 

On an old GB halfpenny that had some PVC contamination (kind of a thin grayish green layer) I let it soak in rubbing alcohol, then cleaned with soap and water. It turned out a little better than it was before. I used the only rubbing alcohol I could find (60%) which apparently isn't as good as the higher % alcohol stuff.

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  • 3 months later...

Someone mentioned to me that cleaning dirt off with the olive oil give it a bit of a luster. I tried on a couple of older bronze - 1861 Jersey and 1884 Straits Settlements. Jersey half penny got sybstantially shinier and nice gloss although it looks cleaned now. Not a big loss since it has a bit of verdigri anyway. Straits quarter cent got most of the dirt soaked away but it did not change the color of the coin.

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I use acetone or Xylol (xylene) to remove PVC contamination and "biologicals" (finger oils, etc.) but I would not use anything else under any circumstances. I have seen where olive oil loosens crud which can then be removed manually, but I would be afraid of scratching the coin's surface.

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  • 1 month later...

Toutchy subject? I jus stay away from coins that look cleaned, or buy them for bullion prices. The problem is that you got people that dont know a thing bout coins or toning, dunking their grampa's inherited coin collection in silver cleaner to make em look shiny. This kills it imo!

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