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1924 Peace Dollar Failing The Resistivity Test In The Time Period Designation.

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SJ Silber's Avatar
United States
11 Posts
 Posted 03/11/2023  12:36 am Show Profile   Bookmark this topic Add SJ Silber to your friends list Get a Link to this Message Number of Subscribers
I have three 1924 Peace dollars that fail the resistance test on the Sigma Metalytics tester. As I understand, during the Gold and Silver ban old gold coins were counterfeit to import gold bullions in to the USA.
The coins resistivity is 2.31μΩ-cm and above that would match the use of Sterling Silver planchettes.
Is anyone aware of Counterfeit 1924 Peace dollars for the reason to import them during the ban or any other 1924 counterfeits?
let my know if you have questions.
Thanks,

SJ

Here are pictures of the coins:
1924-Peace-Dollar-Failing-The-Resistivity-Test-In-The-Time-Period-Designation.
1924-Peace-Dollar-Failing-The-Resistivity-Test-In-The-Time-Period-Designation.
1924-Peace-Dollar-Failing-The-Resistivity-Test-In-The-Time-Period-Designation.
1924-Peace-Dollar-Failing-The-Resistivity-Test-In-The-Time-Period-Designation.
1924-Peace-Dollar-Failing-The-Resistivity-Test-In-The-Time-Period-Designation.
1924-Peace-Dollar-Failing-The-Resistivity-Test-In-The-Time-Period-Designation.
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nickelsearcher's Avatar
United States
15420 Posts
 Posted 03/11/2023  07:03 am  Show Profile   Bookmark this reply Add nickelsearcher to your friends list Get a Link to this Reply
to the CCF

I don't see any obvious issues with the coin in the photos - but I suppose anything is possible.
Take a look at my other hobby ... http://www.jk-dk.art
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sel_69l's Avatar
Australia
21786 Posts
 Posted 03/11/2023  08:42 am  Show Profile   Bookmark this reply Add sel_69l to your friends list Get a Link to this Reply
I agree with nickelsearcher.

Perhaps some more tests are needed.
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Coinfrog's Avatar
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 Posted 03/11/2023  08:47 am  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply




to the CCF!
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kanga's Avatar
United States
5825 Posts
 Posted 03/11/2023  08:56 am  Show Profile   Bookmark this reply Add kanga to your friends list Get a Link to this Reply
I believe Sterling Silver is .925 silver.
Peace dollars are only .900 silver.

Could that be why your readings are off?
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paralyse's Avatar
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 Posted 03/11/2023  09:07 am  Show Profile   Bookmark this reply Add paralyse to your friends list Get a Link to this Reply
They look completely normal to me. I am not familiar with the testing method you are describing.

XRF is the "gold standard" (pardon the pun) for metallurgical analysis of precious metal coins.
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Pacificoin's Avatar
Canada
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 Posted 03/11/2023  11:13 am  Show Profile   Check Pacificoin's eBay Listings Bookmark this reply Add Pacificoin to your friends list Get a Link to this Reply
Nothing nefarious here .
Look genuine .
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SJ Silber's Avatar
United States
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 Posted 03/11/2023  11:23 am  Show Profile   Bookmark this reply Add SJ Silber to your friends list Get a Link to this Reply
good morning and thanks for the welcome and comments. I agree with the sentiment that these are good coins. Weight, size, and color are right on.

"I believe Sterling Silver is .925 silver.
Peace dollars are only .900 silver."
kanga, that is correct, the resistivity for a 1900 to 1945 us silver coin 90% Ag and 10% Cu is in the range 1.9 to 2.1, and for Sterling Ag = 2.25 to 2.45.
All three coins ring in at 2.31 and above.

paralyse, the Sigma Metalyics testers, tests the resistance of the metal /alloys and the the company has compressive data set for different metals and alloys used in coin minting.
If you want to learn more, youtube has good videos about it, search for "Signa Metalyics.
LOL XRF gold standard, yes I agree and I am a tool gadget guy. However, my wife would divorce me if I spend $20K for a Niton gun.

Again, thanks for the welcome and your comments (keep them coming), SJ
Edited by SJ Silber
03/11/2023 11:25 am
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SJ Silber's Avatar
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 Posted 03/11/2023  11:38 am  Show Profile   Bookmark this reply Add SJ Silber to your friends list Get a Link to this Reply
Here is a second idea, the 1924 Peace had almost a 12M mintage and the Mint use different metal / planchettes from different suppliers. The purity of the base metal and Cu alloy maybe off, still 90% Ag and 10 Cu.

Conclusion: when looking at a coin consider all the facts and asked others for their opinion and valuable input.
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kbbpll's Avatar
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 Posted 03/11/2023  1:20 pm  Show Profile   Bookmark this reply Add kbbpll to your friends list Get a Link to this Reply
Addressing part of your post - to my knowledge there was never a ban on owning silver, so there was no reason to fake and import these for that purpose. However, the price of silver bottomed out in the early 1930s to less than 30 cents an ounce, so you could triple your money making fake coins with real silver having $1 face value. Same was true throughout the early 1900s, when the fake "micro O" dollars were produced. https://www.PCGS.com/news/PCGS-anno...896-o-1900-o

Yours look 100% real to me though.
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Slider23's Avatar
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4469 Posts
 Posted 03/11/2023  1:58 pm  Show Profile   Bookmark this reply Add Slider23 to your friends list Get a Link to this Reply
There was a ban 1934 president act on owing bulk silver as it had to be turned into coinage.
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jacrispies's Avatar
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 Posted 03/11/2023  3:49 pm  Show Profile   Bookmark this reply Add jacrispies to your friends list Get a Link to this Reply
I am 95% sure the coin is genuine. If one test is barely off then I am sure the coin is just fine. Perhaps make sure the equipment is calibrated and test some other pieces with different percent silver contents.
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SJ Silber's Avatar
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 Posted 03/11/2023  4:35 pm  Show Profile   Bookmark this reply Add SJ Silber to your friends list Get a Link to this Reply
Kbbpl, interesting article and the fact that counterfeiter went from lead to silver is quite something to make coins. There was the Silver Purchase Act of 1934 (FDR)
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paralyse's Avatar
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 Posted 03/11/2023  5:14 pm  Show Profile   Bookmark this reply Add paralyse to your friends list Get a Link to this Reply

Quote:
paralyse, the Sigma Metalyics testers, tests the resistance of the metal /alloys and the the company has compressive data set for different metals and alloys used in coin minting.
If you want to learn more, youtube has good videos about it, search for "Signa Metalyics.
LOL XRF gold standard, yes I agree and I am a tool gadget guy. However, my wife would divorce me if I spend $20K for a Niton gun.


Learned something new today, I now know what a "Sigma tester" is!

Thanks--P
Member ANA - EAC - TNA - SSDC - CCT #890

"Most of the things worth doing in the world had been declared impossible before they were done." -- Louis D. Brandeis
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SJ Silber's Avatar
United States
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 Posted 03/11/2023  6:49 pm  Show Profile   Bookmark this reply Add SJ Silber to your friends list Get a Link to this Reply
jacrispies, yes all checked out.

Paralyse, you are welcome - it is a handy tool.

For you gadget guys, I have attached three pictures: first is with the calibration piece, second is a 1923 Pease dollar that tests good, and third is one of the coins in question and as you can see it is way off to high side of the range for this time period.

1924-Peace-Dollar-Failing-The-Resistivity-Test-In-The-Time-Period-Designation.
1924-Peace-Dollar-Failing-The-Resistivity-Test-In-The-Time-Period-Designation.
1924-Peace-Dollar-Failing-The-Resistivity-Test-In-The-Time-Period-Designation.
Edited by SJ Silber
03/11/2023 6:50 pm
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IndianGoldEagle's Avatar
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36741 Posts
 Posted 03/12/2023  1:26 pm  Show Profile   Bookmark this reply Add IndianGoldEagle to your friends list Get a Link to this Reply
No red flags I can see, looks genuine.
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