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Tarnished Copper Coins? But I Just Cleaned Them!

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JDcompy's Avatar
United States
45 Posts
 Posted 04/27/2012  1:05 pm Show Profile   Bookmark this topic Add JDcompy to your friends list Get a Link to this Message Number of Subscribers
Ok.. I've tried a variety of products..

The latest one is Tarnex.

I put some of the solution in a glass.

I place my 2 euro cent coin (copperish? zinc? Looks like a penny) into the solution. WOW! So much brighter! Looks brand new!!

I take it out, and rinse it with water.

I dry the coin off

I excitedly leave it on the counter

I come back, and the coin is tarnished worse than when I started.


I repeated the process, only this time, instead of leaving them on the counter, put them in the 2 x 2s.

They look 100 x worse than when I started!!



What am I doing wrong?
What can I do to fix these coins?
How can I go about this cleaning process better in the future?


Thank you,

JD
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amida17's Avatar
United States
4897 Posts
 Posted 04/27/2012  1:11 pm  Show Profile   Bookmark this reply Add amida17 to your friends list Get a Link to this Reply
to CCF!


Quote:
What am I doing wrong?



Most here would say trying to clean them in the first place is where you went wrong.
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biokemist6's Avatar
United States
12437 Posts
 Posted 04/27/2012  1:11 pm  Show Profile   Bookmark this reply Add biokemist6 to your friends list Get a Link to this Reply
What are you doing wrong? You are using Tarnex and cleaning them with an acidic solution, that is what you are doing wrong. Now you know why so many recommend that you DO NOT CLEAN a coin, especially copper. There is nothing you can do to "fix" them, the coins are officially ruined now. Just be thankful that you were doing this to a very common 2 Eurocent and not a more valuable coin.
Edited by biokemist6
04/27/2012 1:12 pm
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JDcompy's Avatar
United States
45 Posts
 Posted 04/27/2012  1:41 pm  Show Profile   Bookmark this reply Add JDcompy to your friends list Get a Link to this Reply
I admit, for these coins, I'm not really looking at the value of the coin. For these, I just want them to look "pretty". Any solutions for the current or future coins?
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CaptainFwiffo's Avatar
United States
4132 Posts
 Posted 04/27/2012  2:01 pm  Show Profile   Bookmark this reply Add CaptainFwiffo to your friends list Get a Link to this Reply

Quote:
Any solutions for the current or future coins?

You could try not cleaning them.
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chris12018's Avatar
United States
2130 Posts
 Posted 04/27/2012  2:36 pm  Show Profile   Bookmark this reply Add chris12018 to your friends list Get a Link to this Reply
to CCF!

Cleaning is the worst thing you can do.

If your looking for shiny coins then try a polish.
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CoinsKelly's Avatar
United States
3453 Posts
 Posted 04/27/2012  2:41 pm  Show Profile   Bookmark this reply Add CoinsKelly to your friends list Get a Link to this Reply
Ummm, I think Chris12018 is kidding? Polish would also decrease the value.
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amida17's Avatar
United States
4897 Posts
 Posted 04/27/2012  2:43 pm  Show Profile   Bookmark this reply Add amida17 to your friends list Get a Link to this Reply

Quote:
I just want them to look "pretty".


They are prettiest in their natural state.

But if you insist....Comet and a Brillo pad will get the job done
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argentum's Avatar
United States
1195 Posts
 Posted 04/27/2012  4:01 pm  Show Profile   Bookmark this reply Add argentum to your friends list Get a Link to this Reply
Fix these coins? They're not broken in the first place!!

You'll rape any coin of both numismatic value and surface metal if you are trying to remove that tarnish.
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JDcompy's Avatar
United States
45 Posts
 Posted 04/27/2012  4:15 pm  Show Profile   Bookmark this reply Add JDcompy to your friends list Get a Link to this Reply
I appreciate the responses, but I can't stress this enough:

I am not interested in the value of these coins. What I want most of all is for them to look bright and shiny. And, Amida, thanks but brillo? I don't want to heavily scratch it.

I recognize that the original luster is best etc etc when valuing coins, grading, and for many that are hardcore collectors. I have a lot of coins that I would never ever clean.

But these coins, are for the sole purpose of looking shiny and nice.

Surely there must be a way to make them "look" nice. I don't care about the value of the coins.
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CaptainFwiffo's Avatar
United States
4132 Posts
 Posted 04/27/2012  4:56 pm  Show Profile   Bookmark this reply Add CaptainFwiffo to your friends list Get a Link to this Reply
It's probably easier to find bright new shiny coins.
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upstate's Avatar
United States
3283 Posts
 Posted 04/27/2012  5:09 pm  Show Profile   Bookmark this reply Add upstate to your friends list Get a Link to this Reply

That's exactly what I was going to suggest.
Get some new BU coins and put them in your 2x2.
The ones you messed with are junk.
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vermontensium's Avatar
United States
16679 Posts
 Posted 04/27/2012  5:51 pm  Show Profile   Check vermontensium's eBay Listings Check vermontensium's eCrater Listings Bookmark this reply Add vermontensium to your friends list Get a Link to this Reply
You destroy 75% of a coins value instantly.
swcoin.ecrater.com
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snowman's Avatar
United States
1840 Posts
 Posted 04/27/2012  6:28 pm  Show Profile   Bookmark this reply Add snowman to your friends list Get a Link to this Reply
Cleaned or dipped coins always look bad to me. Besides, you can get uncirculated sets of most Euro nations for $10-20. Considering the face value of a full set (1 cent to 2 dollars) is a little more that $5.25, I think just buying UNC coins outright is the easiest thing to do.
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enworb's Avatar
Australia
4411 Posts
 Posted 04/27/2012  7:13 pm  Show Profile   Bookmark this reply Add enworb to your friends list Get a Link to this Reply
Get some very fine sandpaper and some vinegar or other acidic solution and scrub like mad...









Seriously if you just want nice looking ones then buy some new ones you haven't got much chance of ever making a harshly cleaned coin look pretty. It will always have dulled details from the acid wear or scratches.
Edited by enworb
04/27/2012 7:59 pm
Pillar of the Community
United States
1554 Posts
 Posted 04/27/2012  8:24 pm  Show Profile   Bookmark this reply Add 1893S to your friends list Get a Link to this Reply
MS70 is available in Coin Shops or through Coin Mags and works well. Good luck!
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