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Green Tinge On Cleaning Rag. Early Sign Of PVC Poisoning?

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New Member

Australia
3 Posts
 Posted 11/20/2025  02:36 am Show Profile   Bookmark this topic Add marbdo to your friends list Get a Link to this Message Number of Subscribers
I am redoing all my circulating coins into new 2x2 mylar cardboard flips as my old ones became weak after being in a pvc album.

Got a new non-pvc album and am planning to redo all the coins and place them in there.

Before placing all the coins in the flips I give them a quick wipe with an old t shirt. After doing lots of coins I noticed the shirt now has a green tinge. None of the coins visibly appear green at all. Is this a sign of pvc poisoning or is it just a normal effect of all coins no matter the condition. and if it is pvc damage will it get worse now that it has been rehoused away from the pvc or has the deteriation been halted.

The coins are 75% copper, 25% nickel so thats what making me wonder if this is just on all coins.



Edited by marbdo
11/20/2025 06:35 am
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oriole's Avatar
Canada
5238 Posts
 Posted 11/20/2025  05:20 am  Show Profile   Bookmark this reply Add oriole to your friends list Get a Link to this Reply
1. You should NOT wipe your coins, Soak them in acetone and pat dry (no rubbing)
2. Yes, that is a sign of PVC poisoning. Bad cases have a very obvious green slime everywhere.
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nickelsearcher's Avatar
United States
15381 Posts
 Posted 11/20/2025  05:57 am  Show Profile   Bookmark this reply Add nickelsearcher to your friends list Get a Link to this Reply
to the CCF

Put away the rag and use a pure acetone soak only.
Take a look at my other hobby ... http://www.jk-dk.art
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ijn1944's Avatar
United States
19108 Posts
 Posted 11/20/2025  07:42 am  Show Profile   Bookmark this reply Add ijn1944 to your friends list Get a Link to this Reply
Agree with all above.
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jbuck's Avatar
United States
187446 Posts
 Posted 11/20/2025  09:08 am  Show Profile   Bookmark this reply Add jbuck to your friends list Get a Link to this Reply

Quote:
You should NOT wipe your coins, Soak them in acetone...
Yes!

Quote:
.. and pat dry (no rubbing)
NO!

Never touch, pat, wipe, etc.

Do a rinse with fresh acetone (not what you used to soak) and let it air dry. It takes just a few seconds.
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Dearborn's Avatar
United States
94636 Posts
 Posted 11/20/2025  10:43 am  Show Profile   Bookmark this reply Add Dearborn to your friends list Get a Link to this Reply
to CCF.


Quote:
I give them a quick wipe with an old t shirt.

WOW! That is simply cringe worthy!

Please, follow the advice given above!
New Member
Australia
3 Posts
 Posted 11/20/2025  11:16 am  Show Profile   Bookmark this reply Add marbdo to your friends list Get a Link to this Reply
Thank you all for the advice. If it puts your mind at ease, these are circulating coins that I'm collecting, so the gentle wipe with the old shirt is probably the best treatments they have had in years. That being said, advice taken acetone soaks only.

My main point in asking the question is is this small invisible residue on the coin cause for concern for the future? If a coin that has this residue on it but is then rehoused in a new flip in a pvc free album - will it continue to deteriorate or will it be fine?

I only ask this because I have spent a couple days rehousing my old coins from their damaged flips, if it turns out I need to take them all out again and do the acetone soak I might lose it but oh well.
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jbuck's Avatar
United States
187446 Posts
 Posted 11/20/2025  11:23 am  Show Profile   Bookmark this reply Add jbuck to your friends list Get a Link to this Reply

Quote:
If it puts your mind at ease, these are circulating coins that I'm collecting, so the gentle wipe with the old shirt is probably the best treatments they have had in years.
It does. No worse than rubbing in a pocket or getting banged around in a coin purse.

Quote:
My main point in asking the question is is this small invisible residue on the coin cause for concern for the future?
Yes, it is, and that is where the acetone comes in to completely and thoroughly remove it.

Quote:
I only ask this because I have spent a couple days rehousing my old coins from their damaged flips, if it turns out I need to take them all out again and do the acetone soak I might lose it but oh well.
Understood.

Given how long they were housed before, and that the green appears to be on the shirt and not the coins, you may be able to leave them alone for now, regularly observe them for any problems, and revisit this in the future.

Take deep breaths and time.
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