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1979 Half Dollar...weight 12.24 Grams ...does Not Look Like Silver

 
 
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Pillar of the Community
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 Posted 02/13/2019  11:57 pm Show Profile   Bookmark this topic Add levelsofmadnes to your friends list Get a Link to this Message
While CRH halves, I picked out a 1979 that weights 12.24grams.

It doesn't look silver to me; having what looks to be a copper edge to it.

The scale is solid; use it to weight cents.

Thoughts?
The Error-Variety Ready Reference http://www.error-ref.com/

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 Posted 02/13/2019  11:59 pm  Show Profile   Check Errers and Varietys's eBay Listings Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
Can you get pictures of your coin? That would be a big help.
More information about Die Deterioration? http://goccf.com/t/317950
Retired U.S. Mint Coin Die Set information. http://goccf.com/t/302961
1973 D Lincoln Memorial cent With Recurring Die Subsidence Error Information. http://goccf.com/t/304624
Machine Doubling tutorial. http://goccf.com/t/332421
Die states progression on coins. Scroll down, so you can see the different die state progressions. http://goccf.com/t/325638
Die Deterioration Doubling Tutorial. http://goccf.com/t/336470
Edited by Errers and Varietys
02/13/2019 11:59 pm
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 Posted 02/14/2019  12:20 am  Show Profile   Bookmark this reply Add levelsofmadnes to your friends list Get a Link to this Reply
It is not a magician coin ( I have 7 or 8 of them).




The Error-Variety Ready Reference http://www.error-ref.com/

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 Posted 02/14/2019  12:21 am  Show Profile   Bookmark this reply Add levelsofmadnes to your friends list Get a Link to this Reply
By the way, the turned the lighting off on the Obverse pic which made it look copperish...
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 Posted 02/14/2019  02:12 am  Show Profile   Check Errers and Varietys's eBay Listings Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
The weight seems to be off. Maybe thick planchet stock was used?
More information about Die Deterioration? http://goccf.com/t/317950
Retired U.S. Mint Coin Die Set information. http://goccf.com/t/302961
1973 D Lincoln Memorial cent With Recurring Die Subsidence Error Information. http://goccf.com/t/304624
Machine Doubling tutorial. http://goccf.com/t/332421
Die states progression on coins. Scroll down, so you can see the different die state progressions. http://goccf.com/t/325638
Die Deterioration Doubling Tutorial. http://goccf.com/t/336470
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 Posted 02/14/2019  05:01 am  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply
You can also try the tissue test.
John1
( I'm no pro, it's just my humble opinion )
Searched 5+ Million Cents Since 1971
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 Posted 02/14/2019  11:34 am  Show Profile   Bookmark this reply Add levelsofmadnes to your friends list Get a Link to this Reply
HMMM I don't know how my other pics replaced the ones I had on the half dollar.

did a gravity test: I get 9, 8.81, and 8.87. not looking good for silver also a tissue test with a 1964 and a 1968.

I guess we shall just call it a 1979 that was rolled super thick. probably will send to PCGS (maybe) one day.

thanks again


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 Posted 02/14/2019  1:01 pm  Show Profile   Bookmark this reply Add Halo1st to your friends list Get a Link to this Reply
More food for thought. Potential strike on a foreign planchet or struck on a blank punched from foreign stock. Philadelphia and San Francisco mint were both producing similar composition this year for foreign coinage.

I'll try and update more detailed info later, as I need to take care of pressing matters here first. Thanks, Doug.
Second opinions are always recommended. Rookies thoughts!
Two sides to every coin. The edge makes three.
Side Note: Sometimes I feel like a nut, sometimes I don't.
Edited by Halo1st
02/14/2019 1:02 pm
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 Posted 02/14/2019  1:03 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
The edge shows a clad. Why question this?
Richard S. Cooper
Some have asked about my images I use and I'm glad to say, you can now you can see the DVD in sections on youtube:
1. Intro, older coins, toned coins 2. Doubled dies 3. Die events, One of a kind errors 4. So called errors, Coin information 5. Coin information Types and Varieties, Overlays
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 Posted 02/15/2019  1:45 pm  Show Profile   Bookmark this reply Add Halo1st to your friends list Get a Link to this Reply
Follow up, the closest in weight with 75 Cu, 25 Ni Cupronickel composition was produced for the Dominican Republic 50 Centavos at the Philly mint. Its weight 12.45grams. Note: its not clad and thinking it would show a similar nickel like appearance on the edge.

The only clad example I find was produced for the Panama Half Balboa. Note: exact same composition weight and diameter as the US half dollar.

In summary, obviously seems struck on a blank from rolled thick stock material.

I can not discount the possibility the wrong thickness cupronickel stock was used to create or sandwich the pure Cu, copper center to be used as clad stock. Good luck trying to prove that theory. Thanks, Doug.

Quote:
HMMM I don't know how my other pics replaced the ones I had on the half dollar.

Meant to add: use unique filenames for image uploads on the same day. The new image will replace a previous one if named the same.
Second opinions are always recommended. Rookies thoughts!
Two sides to every coin. The edge makes three.
Side Note: Sometimes I feel like a nut, sometimes I don't.
Edited by Halo1st
02/15/2019 1:57 pm
Pillar of the Community
United States
1245 Posts
 Posted 02/15/2019  1:52 pm  Show Profile   Bookmark this reply Add levelsofmadnes to your friends list Get a Link to this Reply
thanks for the research

if/when I send this to be graded, I shall repost.

The Error-Variety Ready Reference http://www.error-ref.com/

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