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Strange Metal Disease On Surface Of AU Walking Liberty Half

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Pillar of the Community
United States
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 Posted 03/24/2017  9:11 pm  Show Profile   Bookmark this reply Add 0xDA71D to your friends list
The marks are not recessed.
Pillar of the Community
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 Posted 03/24/2017  9:55 pm  Show Profile   Bookmark this reply Add Mark1959 to your friends list

Quote:
your coin is a cast copy


That or an extremely worn die with those surfaces. Who knows what those little black things are. If it is a cast coin then those black things were in the poured metal and now are part of the "coin". Can you get a weight on it?
Edited by Mark1959
03/24/2017 9:56 pm
Pillar of the Community
United States
1215 Posts
 Posted 03/24/2017  10:06 pm  Show Profile   Bookmark this reply Add 0xDA71D to your friends list
THE COIN IS 100% GENUINE.
Rest in Peace
10197 Posts
 Posted 03/24/2017  10:35 pm  Show Profile   Bookmark this reply Add Crazyb0 to your friends list
Your coin appears dipped in an acid based cleaner. That has removed some microscopic crud and surface metals. Your coin contains only .0715 oxz of silver the rest is a mix. Certain acids react with only certain metals. Looks like you have either a direct reaction to this or it's the residual that the dip didn't eat off.

BTW, are you 100% sure?
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 Posted 03/24/2017  11:20 pm  Show Profile   Bookmark this reply Add jack jeckel to your friends list
What is the 100% weight of the coin.
Pillar of the Community
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 Posted 03/25/2017  12:17 am  Show Profile   Bookmark this reply Add Steele to your friends list

Quote:
Your coin contains only .0715 oxz of silver


what?
Pillar of the Community
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 Posted 03/25/2017  12:37 am  Show Profile   Bookmark this reply Add TypeCoin971793 to your friends list

Quote:
I'm no expert on this but I'm still convinced more now than earlier that your coin is a cast copy .
Hope I'm wrong .


Explain to me how a cast coin can get coin luster, and I would be more inclunid to agree with you. If you can't, then I would rethink your hypothesis.

There are die flow lines as well as polishing lines, both of which are of small enough resolution to be lost in the casting process. I am seeing a genuine coin here with metallurgical anomalies, whether that be a strikethrough or impurities in the metal.
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United States
56855 Posts
 Posted 03/25/2017  05:45 am  Show Profile   Bookmark this reply Add John1 to your friends list
How did you try to remove the black?
John1
Rest in Peace
United States
18456 Posts
 Posted 03/25/2017  08:38 am  Show Profile   Bookmark this reply Add T-BOP to your friends list

Quote:
If it is a cast coin then those black things were in the poured metal and now are part of the "coin". Can you get a weight on it?

Why would this be impossible ?


Quote:
Explain to me how a cast coin can get coin luster

Could it be possible a very light polishing compound and a very light wheel was used for a couple of seconds on each side ?
Hey I'm just throwing things at you guys so we can get to the bottom of this and find out for sure what's up with this coin .
Pillar of the Community
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 Posted 03/25/2017  9:07 pm  Show Profile   Bookmark this reply Add TypeCoin971793 to your friends list

Quote:
Could it be possible a very light polishing compound and a very light wheel was used for a couple of seconds on each side ?
Hey I'm just throwing things at you guys so we can get to the bottom of this and find out for sure what's up with this coin .


No. Polishing a cast coin will not give it coin luster (cartwheel luster). What you are talking about is whizzing, and that is completely different. I am talking about die flow lines (the essence of luster), which I can clearly see on the OP's coin.
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 Posted 03/25/2017  10:27 pm  Show Profile   Bookmark this reply Add macmercury to your friends list
The coin is genuine!

I am thinking along in the line of carbon toning for lack of proper term? Its almost seem like it was environmental build up and not stored properly.
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United States
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 Posted 03/30/2017  08:10 am  Show Profile   Bookmark this reply Add colonialjohn to your friends list
I know the answer ...

John Lorenzo
Numismatist
United States
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17884 Posts
 Posted 03/30/2017  10:31 am  Show Profile   Bookmark this reply Add Conder101 to your friends list
Enlighten us.
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189340 Posts
 Posted 03/30/2017  12:05 pm  Show Profile   Bookmark this reply Add jbuck to your friends list

Quote:

Quote:
I know the answer ... John Lorenzo Numismatist United States
Enlighten us.
Yes, please!
Pillar of the Community
United States
5833 Posts
 Posted 03/30/2017  2:20 pm  Show Profile   Bookmark this reply Add macmercury to your friends list
Please do so!
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