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 Replies: 21 / Views: 4,558 |
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Pillar of the Community
United States
4897 Posts |
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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Pillar of the Community
United States
1195 Posts |
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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New Member
 United States
45 Posts |
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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Pillar of the Community
United States
4132 Posts |
It's probably easier to find bright new shiny coins.
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Pillar of the Community
United States
3283 Posts |
 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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Moderator
 United States
16680 Posts |
You destroy 75% of a coins value instantly.
swcoin.ecrater.com
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Pillar of the Community
United States
1840 Posts |
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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Pillar of the Community
Australia
4411 Posts |
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
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Pillar of the Community
United States
1554 Posts |
MS70 is available in Coin Shops or through Coin Mags and works well. Good luck!
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Moderator
United States
16680 Posts |
You don't need that, just send them to SGS for a guaranteed grade of MS70 ;-)
swcoin.ecrater.com
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Moderator
Australia
16868 Posts |
The 2 eurocent coin is made of copper-plated steel. The copper layer is extremely thin and any attempt to polish or clean it by physical or chemical means will likely remove or puncture the copper, exposing the steel core to whatever it is you're using to clean it with, which will in most circumstances cause severe corrosion.
I think the only way you could reliably and stably make it "look like new" is to replate it with copper, just like some people make fake uncirculated American 1943 steel cents by replating them with zinc. If you want to experiment with doing that, just google "copper plating steel". But you'd probably need a whole bunch of 2 eurocent coins to experiment with.
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis
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Pillar of the Community
United States
1554 Posts |
MS70 should work well. Can be purchased through Coin Mags or Coin Shops.
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Moderator
United States
190060 Posts |
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It's probably easier to find bright new shiny coins. If you choose to ignore every other piece of advice in this thread, remember that this is the best answer. |
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Bedrock of the Community
United States
17884 Posts |
OK now that everyone has chastised you, lets try addressing your question. I can see four possibilities. One, insufficient rinsing. If you don't rinse away every trace of the tarnex it will continue reacting and cause an ugly spotted surface. Two what are you rinsing with? Tap Water? If so that can be a bad choice. it can be heavily chemical laden and these chemicals could react with the now "activated" copper. Make sure you rinse very well with distilled water. Three Insufficient drying could result in water spotting or staining as it finishes drying. The acid striping of the surface can cause it to be more reactive and spot or tone faster. A brief rinse with a basic solution of a little baking soda dissolved in water to neutralize the acid from the tarnex. (Make sure the baking soda is completely dissolved.) then rinse thoroughly with distilled water and dry completely. (If there are any microcracks in the plating the through drying is very important because any water remaining in those cracks can create an electrochemical corrosive cell between the two dissimilar metals.
If it still reacts you might try after the drying a very thin coating of mineral oil to help form a protective barrier between the copper and the air.
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Pillar of the Community
United States
8521 Posts |
Most any coin dealer/shop could tell you how to do it but won't. They like to act like they don't know the first thing about cleaning coins, lol. If you see a cleaned coin in their shop it was that way "when they got it".
Oregon coin geek.....*** GO BEAVS ! ! ! ***
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Posted 04/27/2012 2:43 pm
