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How Do I Clean These ?

 
 
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United States
23 Posts
 Posted 03/25/2019  4:40 pm Show Profile   Bookmark this topic Add HTx to your friends list Get a Link to this Message
Hello All

I came into some coins that are in need of some cleaning.
Not sure how best to do it.
Many of the coins I came across resemble the six below.
Left to right:
1945 Ven silver
1944 Ven silver
1874 Costa copper
1899 Nicar nickel
1946 Ven silver
1896 Ven nickel
1909 Argen nickel
1943 Colom copper

I know that coins should not be cleaned but I can't store them in this condition.
Are any valuable ? I can't say for sure, probably not after all the green crap is cleaned off.

Thanks for any comments

htx


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United States
18193 Posts
 Posted 03/25/2019  5:05 pm  Show Profile   Check Errers and Varietys's eBay Listings Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
The safe way to clean these without harm I know of is a 100% pure Acetone soak and Verdi-Care.
More information about Die Deterioration? http://goccf.com/t/317950
Retired U.S. Mint Coin Die Set information. http://goccf.com/t/302961
1988 P LMC RDV-006, 1998 P LMC Wide AM, and 2000 P LMC Wide AM. http://goccf.com/t/327834 http://goccf.com/t/294303 http://goccf.com/t/312900
1973 D Lincoln Memorial cent With Recurring Die Subsidence Error Information. http://goccf.com/t/304624
Machine Doubling tutorial. http://goccf.com/t/332421
Die states progression on coins. Scroll down, so you can see the different die state progressions. http://goccf.com/t/325638
Die Deterioration Doubling Tutorial. http://goccf.com/t/336470
New Member
United States
23 Posts
 Posted 03/25/2019  5:35 pm  Show Profile   Bookmark this reply Add HTx to your friends list Get a Link to this Reply
Hello Errers
Thanks for the reply.

How long to I soak them in acetone? ( hours? days? weeks? )
Can I soak many of them together at the same time in the same container?
Or should I separate the copper and silver and nickel into separate containers?

Once the green is no longer visible,
can I store these coins with my other existing coins in the same container or is the green still contagious?

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United States
18193 Posts
 Posted 03/25/2019  5:51 pm  Show Profile   Check Errers and Varietys's eBay Listings Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
I usually soak them for four hours or more. I would separate the coins, so they don't end up getting gunk from other coins. It won't take the green off, but it will take any dirt, crud, or verdigris off. You probably would want to use Verdi-Care for the green stuff.
More information about Die Deterioration? http://goccf.com/t/317950
Retired U.S. Mint Coin Die Set information. http://goccf.com/t/302961
1988 P LMC RDV-006, 1998 P LMC Wide AM, and 2000 P LMC Wide AM. http://goccf.com/t/327834 http://goccf.com/t/294303 http://goccf.com/t/312900
1973 D Lincoln Memorial cent With Recurring Die Subsidence Error Information. http://goccf.com/t/304624
Machine Doubling tutorial. http://goccf.com/t/332421
Die states progression on coins. Scroll down, so you can see the different die state progressions. http://goccf.com/t/325638
Die Deterioration Doubling Tutorial. http://goccf.com/t/336470
Valued Member
United States
185 Posts
 Posted 03/25/2019  6:47 pm  Show Profile   Bookmark this reply Add mikem007 to your friends list Get a Link to this Reply
Test on one coin first and if you get the intended results, do the rest. One problem I experience often enough is that the dirt layer is actually hiding a lot of stuff. You may not like what you see underneath. Whatever you do, don't scrub that coin with anything as you'll see those scrub scratches. You may not see scratches with your eye but once looked at under 5x magnification, you'll hate the end result.
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United States
2894 Posts
 Posted 03/25/2019  7:26 pm  Show Profile   Bookmark this reply Add jimbucks to your friends list Get a Link to this Reply
If you put in acetone, be sure to remove before it evaporates because the junk will redeposit. I would think 20 minutes would be adequate. Why not try mild soap and water first?
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United States
17790 Posts
 Posted 03/26/2019  07:57 am  Show Profile   Bookmark this reply Add just carl to your friends list Get a Link to this Reply
I too suggest some distilled water first.
just carl
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