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Cleaning Copper One Cent Pieces?

 
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Author Previous TopicReplies: 12 / Views: 374Next Topic  
New Member

United States
10 Posts
 Posted 02/17/2021  11:34 pm Show Profile   Bookmark this topic Add W8worth to your friends list Get a Link to this Message
Would ketchup be ok to use on cleaning?
I remember my grandmother using it on cooking pots
It cleaned them to a like new finish.
I haven't experimented yet thought I would ask?
Pillar of the Community
United States
2891 Posts
 Posted 02/18/2021  12:00 am  Show Profile   Bookmark this reply Add Slider23 to your friends list Get a Link to this Reply
Do not clean copper cents with ketchup. It is best not to clean coins. If you must clean, soak the cent in acetone. Do not wipe the coin as it will create hairlines.
Pillar of the Community
United States
4645 Posts
 Posted 02/18/2021  12:03 am  Show Profile   Bookmark this reply Add Numisma to your friends list Get a Link to this Reply
I'm glad you came here first.

What coins do you have in mind? I wouldn't get too bent out of shape about a few common-date wheat cents, but be warned that cleaning will destroy whatever numismatic value a coin has.
Bedrock of the Community
United States
38482 Posts
 Posted 02/18/2021  04:41 am  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply
As a general rule,never clean coins. 100% pure acetone not standard nail polish remover. http://goccf.com/t/57008#447106
John1
( I'm no pro, it's just my humble opinion )
Searched 5+ Million Cents Since 1971
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United States
17296 Posts
 Posted 02/18/2021  08:52 am  Show Profile   Bookmark this reply Add Conder101 to your friends list Get a Link to this Reply
Ketchup contains vinegar/acetic acid. Acetic acid reacts strongly with copper and will strip all patina off the surface leaving it with a VERY unnatural color. It's strong reaction is why it works well as a cleaner for copper utensils, but NOT for coins.

Ketchup and salt was a common cleaners used on copper cooking pans, the ketchup supplied the acetic acid, the tomato paste held the acid in place better than just using vinegar, and the salt acted as an abrasive.
Gary Schmidt
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United States
3574 Posts
 Posted 02/18/2021  09:07 am  Show Profile   Bookmark this reply Add ijn1944 to your friends list Get a Link to this Reply
Would also advise not using the contents of fast food hot sauce packets.
Bedrock of the Community
Learn More...
United States
55821 Posts
 Posted 02/18/2021  09:38 am  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Leave 'em alone!



to the CCF!
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United States
5582 Posts
 Posted 02/18/2021  10:41 am  Show Profile   Bookmark this reply Add Chase007 to your friends list Get a Link to this Reply
Well...then maybe mustard
to the Forum.
New Member
United States
10 Posts
 Posted 02/19/2021  01:28 am  Show Profile   Bookmark this reply Add W8worth to your friends list Get a Link to this Reply
Thank You all for your insight. I am glad I asked before going all science project!! Lol.
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Australia
18352 Posts
 Posted 02/19/2021  04:13 am  Show Profile   Bookmark this reply Add sel_69l to your friends list Get a Link to this Reply
With U.S. coins, don't clean any coin that has a greater numismatic value greater than face value.
With other than U.S. coins, don't bother to clean any of them anyway, irrespective of value.

The long way around to saying:
'Don't clean coins!'

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United States
16937 Posts
 Posted 02/19/2021  5:25 pm  Show Profile   Check BadThad's eBay Listings Bookmark this reply Add BadThad to your friends list Get a Link to this Reply
In general, DON'T clean coins. However, there are exceptions to be made in extreme cases.
Lincoln Cent Lover!
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United States
5391 Posts
 Posted 02/19/2021  10:25 pm  Show Profile   Bookmark this reply Add merclover to your friends list Get a Link to this Reply
I'm with the frog... Leave 'em alone!

to the CCF!
ça va bien aller

Valued Member
United States
265 Posts
 Posted 02/19/2021  11:07 pm  Show Profile   Check Diy89Nurm7's eBay Listings Bookmark this reply Add Diy89Nurm7 to your friends list Get a Link to this Reply


Ditto on what has been said. Those folks know more than I do about these things. Glad you asked the question.

For what it's worth: cleaning seems to be recast as part of coin "conservation" when done by a TPG like NGC. They charge a minimum of $25 to conserve/clean a coin, but don't guarantee that it will improve the grade.

Stay well,
Diy89Nurm7
Stay well,
Diy89Nurm7
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