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Conserved Or Cleaned? Which Is It? (1893 Commemorative Columbian Half Dollar)

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 Posted 03/30/2021  8:52 pm Show Profile   Bookmark this topic Add jaberwoke to your friends list Get a Link to this Message
Has anyone here had a silver coin which they've had conserved to improve its appeal?

Have a look at these before and after photos. Is it a conserved or cleaned coin and... why?

Photos are before and after conservation.

Don't have a good camera but in hand, white and a very nice cartwheel and luster.





*** Edited by Staff to Add Year / Mintmark / Denomination to Title. Titles are Important! ***
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 Posted 03/30/2021  9:15 pm  Show Profile   Bookmark this reply Add Zurie to your friends list Get a Link to this Reply
Personally, I think it lost considerable luster, especially on the reverse. The original blotchy toning wasn't very attractive, but now it just looks overdipped.
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 Posted 03/30/2021  9:16 pm  Show Profile   Bookmark this reply Add Slider23 to your friends list Get a Link to this Reply
The coin was dipped to remove unwanted toning.
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 Posted 03/30/2021  9:16 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Conserved by who? Looks cleaned to me.
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 Posted 03/30/2021  9:17 pm  Show Profile   Bookmark this reply Add hfjacinto to your friends list Get a Link to this Reply
Cleaned is when you do it.

Conserved is when you pay someone to clean it.
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 Posted 03/30/2021  9:46 pm  Show Profile   Bookmark this reply Add Ty2020b to your friends list Get a Link to this Reply
Sadly, I'm in the cleaned side as well. Already looked like it had a previous dipping/cleaning in the first one, second pics look over dipped.
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 Posted 03/30/2021  9:54 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Worth chump change either way - why bother trying to improve it?
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 Posted 03/30/2021  10:08 pm  Show Profile   Bookmark this reply Add Greasy Fingers to your friends list Get a Link to this Reply
Tomato...Tamato
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 Posted 03/30/2021  10:55 pm  Show Profile   Bookmark this reply Add Rothery to your friends list Get a Link to this Reply
It's a common Commemorative - hopefully first set of pics are what you have - last set looks "washed out" from an over dip/cleaning!
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 Posted 03/31/2021  02:28 am  Show Profile   Bookmark this reply Add muddler to your friends list Get a Link to this Reply
common coin, get one that you like unmolested with.
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 Posted 03/31/2021  7:57 pm  Show Profile   Bookmark this reply Add jaberwoke to your friends list Get a Link to this Reply
I was hoping someone who had a coin conserved by a TPG would see this post and reply.

As I said earlier, in hand, this coin looks BU and has as much luster and cartwheel as any graded MS coin currently on eBay. It's only when magnified you can see where the tarnish interrupted the surface and caused damage. I want to know if a TPG conservation service results are any different

Coin Help did a YouTube video a while back where he dipped in EZ and it came back from PCGS with a grade and not marked cleaned. So... ?
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 Posted 03/31/2021  9:11 pm  Show Profile   Bookmark this reply Add fortcollins to your friends list Get a Link to this Reply
PCGS, for example, defines "cleaning" in terms of abrasive cleaning, and clarifies that dipping is not cleaning. In contrast, "damage" includes "attempts to remove spots, etc." That "etc." is a broad category.

In a nutshell, "dipping" won't detail a coin, but overdipping will. The pics of the Columbian Half suggest a lack of luster in the second set of photos. That could be lighting and camera angle, or could accurately depict an overdipped coin. IMHO, a beautiful slider > an ugly UNC > a detailed UNC.
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 Posted 03/31/2021  10:20 pm  Show Profile   Bookmark this reply Add Ty2020b to your friends list Get a Link to this Reply
Out of curiosity, how long did you dip this for jaberwoke? What was your process?
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 Posted 03/31/2021  10:37 pm  Show Profile   Bookmark this reply Add Zurie to your friends list Get a Link to this Reply
The post-dipped coin may have as much shine and brightness as before, but there's no question that it lost some luster, probably from spending too much time in the dip. Good technique is one aspect of dipping a coin, but just as important is finding the right coin that would benefit from a dip to remove unattractive toning. Your coin had heavy, terminal toning with some underlying corrosion, and a brief dip wouldn't be enough to remove it. So by removing the toning with an extended dip, the rest of the coin got overdipped and lost luster. A TPG service probably would have said it wasn't a candidate for conservation.
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 Posted 04/01/2021  09:14 am  Show Profile   Bookmark this reply Add hfjacinto to your friends list Get a Link to this Reply
@jaberwoke,

You can read and see before and after pictures of an NGC conservation here:

http://www.coincommunity.com/forum/...IC_ID=394916
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 Posted 04/01/2021  10:18 am  Show Profile   Bookmark this reply Add Slider23 to your friends list Get a Link to this Reply

Quote:
I was hoping someone who had a coin conserved by a TPG would see this post and reply.


I have sent in a AU58 Morgan silver dollar to PCGS for conservation of some black terminal toning. The coin after conservation, came back AU58 with the black terminal toning removed, but the black toning had etched the surface where it was removed. All PCGS had done is dip the coin in an acid something like eZest and called it conservation.

Your coin was dipped in an acid to remove the toning. Look at the stars left and right of the date, the removed black toning etched the surface of the coin. The same thing happened around the number 14 as the surface is etched from the removed toning.

If a MS or AU with luster is dipped correctly, the TPG will still give the coin a straight grade. If a circulated coin below AU is dipped and sent in for grading, it has a strong chance of being graded improperly cleaned.

My guess it that you sent in the coin for conversation and grading and PCGS tagged the coin details improperly cleaned because it is obvious that the coin was dipped.
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