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Toned Wheat Cent Treatment Gone Wrong?

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Pillar of the Community
United States
1414 Posts
 Posted 01/16/2020  9:48 pm Show Profile   Bookmark this topic Add Steelers72 to your friends list Get a Link to this Message
Before I begin, want to write a disclaimer that I love the product VerdiCare and have had successful results using it before:

In my album I had a nicely toned Wheat cent & it was was developing a carbon spot (or?) rather rapidly. There was an existing spot under the R in America on the reverse, wasnt really distracting at the time. The larger & newer spot was developing rapidly under the O in one.

I was aware that VerdiCare does not remove carbon spots, but I wanted to conserve the coin against any further environmental damage anyway.

I soaked the coin with a few drops over night, and when I went to remove & dry the next day I noticed the toning was gone & color of the coin completely changed to a greenish color.

My question is, was the color artificial, or was this coin exhibiting some sort of advanced Environmental damage under the toning that caused this damage? The color progression and cartwheel luster led me to believe it was genuinely toned, but the spotting on the reverse makes me think something else was going on..I dont think VerdiCare was the culprit as I have had many other coins successfully conserved, including toned coins. I'd also note I have many other toned coins in this same album for years that have not had any ED develop as this one did in under a year it's been in the album.

Before (taken before the spot below "O" developed)

After (under LED, and regular lighting)

*** Moved by Staff moved to a more appropriate forum. ***
Edited by Steelers72
01/16/2020 9:49 pm
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United States
14313 Posts
 Posted 01/16/2020  9:55 pm  Show Profile   Check Fuzzy317's eBay Listings Bookmark this reply Add Fuzzy317 to your friends list Get a Link to this Reply
All Lincoln Cents are considered Modern coins by CCF. I moved your post to the appropriate section for the proper attention.
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United States
6644 Posts
 Posted 01/16/2020  10:15 pm  Show Profile   Check GrapeCollects's eBay Listings Bookmark this reply Add GrapeCollects to your friends list Get a Link to this Reply
Looks natural to me
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United States
862 Posts
 Posted 01/17/2020  2:32 pm  Show Profile   Bookmark this reply Add Big-Kingdom to your friends list Get a Link to this Reply
Did you rinse the coin after the treatment? Picture doesn't look green to me, but it doesn't look right either. Could be lighting I guess but your eyes tell you the true color.

"Place a small drop of product on the tip of a wooden implement such as a toothpick. DO NOT USE PLASTIC TO HELP AVOID SCRATCHING. Carefully touch the
moistened tip to the spot being treated forming a dome over the area. Allow the area to soak from 1 to 10 minutes (do not let product evaporate).
2) While still wet, work the residue using a gentle up and down tapping motion until the desired results are obtained. Rubbing can be more effective but take care not to
physically rub-off underlying patina! Less physical action is better to reduce the risk of damaging the surface.
NOTE: VERDI-CARE™ will not remove black carbon spots, etched finger prints or other permanent organic deposits due to its gentle nature. It is designed to leave the coin patina
and natural, original imperfections intact. It will only remove loosely adhered surface debris and light to moderate verdigris. Please read the FAQ document for more information"

NOTE: Recommended for uncirculated and delicate coins - but less effective at removing surface debris. VERDI-CARE™ IS NOT RECOMMENDED FOR PROOF COINS.
1) Place the specimen into a filled, covered container -OR- add just enough VERDI-CARE™ to cover the surface of the coin. DO NOT ALLOW THE SOLUTION TO
2) Soak one side of the coin for a few seconds or until the desired results are obtained, then flip the coin to expose the opposite side to the product for an equivalent time (if
required). Soaking either side for longer than 24 hours is not recommended. DO NOT OVER EXPOSE THE COIN. It should be removed from solution as soon as the
desired results are obtained. As with ANY chemical (even water), a change in the patina and/or coin surface may result from unnecessary over-exposure."

Ok so, looks like you likely let it soak way too long by leaving it overnight according to the instructions at least, it say to just do it long enough to get to your desired results and that a change in patina color or coin surface could result. otherwise all other directions seems to have been followed.

It's my understanding if it's left overnight it can change the coins color. Not sure if it's the metal or it's the toning layer that takes the change though, but I've read that people that have left a coin to soak overnight on accident have found their coin severely discolored, at least that what they reported happening. And it's hit or miss it seems, some get away with it without discoloration, some don't, which leads me to believe it has more to do with the toning layer being affected, or the patina, but I'm not sure if it could be corrected, it may be the copper that has been affected also.

on the Bright side, it could have been a much more valuable copper coin it happened to :)

Bedrock of the Community
United States
16329 Posts
 Posted 01/17/2020  7:38 pm  Show Profile   Bookmark this reply Add BadThad to your friends list Get a Link to this Reply
That's crazy, I've never seen VC do anything like that. At this point, I'd give a soak over night in DI water to see what happens.

On another note, I have removed light toning before with VC. Mainly that very light red toning that appears on modern cents....which I like. VC will INSTANTLY remove that wispy, red toning.

I keep my VC away from lightly toned coins for fear of it removing it. Obviously, I don't recommend using VC on toned coins at all unless it's old and well developed, even then, it's a huge risk as it would be using ANYTHING. I even get paranoid about using acetone or xylene on toned coins - I've had some bad experiences there.
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12921 Posts
 Posted 01/17/2020  11:32 pm  Show Profile   Bookmark this reply Add T-BOP to your friends list Get a Link to this Reply

I soaked the coin with a few drops over night, and when I went to remove & dry the next day I noticed the toning was gone & color of the coin completely changed to a greenish color.

I think that's the reason why it changed color . Your not supposed to just distribute Verdi-Care on a coin and then let it sit overnight like that . Do Not let it dry on the coin .
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