Help.... Copper And Silver Canadian Coins In Vinegar?

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Author	Replies: 3 / Views: 1,608
samsnate Pillar of the Community Canada 1723 Posts	Posted 08/11/2012 5:38 pm Im curious if anyone here can tell me if there are any long term negative effects on silver or copper coinage if I gave them a soak in vinegar, followed by boiling water soapy bath and then serious rinse This isn't a debate on if its a good idea to clean or not too or value changes, in someones opinion, if coins are cleaned. This is just for my albums, wanting 1 of each date, just want to clean them up, not polish or scuff them up. Cheers! Report this Post to the Staff

wireman09 Pillar of the Community Canada 972 Posts	Posted 08/11/2012 6:33 pm The only long term negative effect is now the coins are worthless or greatly de-valued as far as there numismatic value. Report this Post to the Staff
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 08/11/2012 6:37 pm Vinegar is 5% acetic acid so it should never be used on a coin. The one exception would be using it on dateless US Buffalo nickels, it works an an etchant to bring out the date. Damaging yes, but a dateless Buff is only worth 10 cents and pretty useless without a date anyway. Vinegar will result in ugly pink copper If you want to remove some surface contamination, use an organic solvent such as acetone- it will not interact with the metal at all. Edited by biokemist6 08/11/2012 6:39 pm Report this Post to the Staff
Scissel Pillar of the Community Canada 693 Posts	Posted 08/12/2012 11:11 am Soaking your copper coin in vinegar (or vinegar + salt for added strength) will make your coin a weird shade of pink. I doubt that will improve the eye appeal. You'll need to give the coin a light scrub with wet baking soda to remove the pink. This method will work if the coin is not too brown. It's fun to experiment, but I wouldn't recommend this aggressive treatment on any coin worth more than face value. Report this Post to the Staff
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