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1979 Washington Quarter With Copper Backside?!

 
 
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New Member

United States
7 Posts
 Posted 05/22/2019  11:02 am Show Profile   Bookmark this topic Add Krysthamp to your friends list Get a Link to this Message
Please help me to identify this 1979 Washington quarter that I found in my coin purse today it seems like the back side is copper in the front side is normal silver color it feels and sounds different than my other normal quarters I have attached a link to see the coin

https://coinscatalog.net/identify/2d268f702b9acc6
Pillar of the Community
United Kingdom
5081 Posts
 Posted 05/22/2019  11:27 am  Show Profile   Check NumisRob's eBay Listings Bookmark this reply Add NumisRob to your friends list Get a Link to this Reply
Hello and

Hard to tell, but I suspect that your coin has environmental damage. Cupro-nickel typically tarnishes to a dark brown color when buried, and I've found similar ones when metal detecting. If one side of the coin was protected while buried - perhaps because it was against the side of a purse or another coin, it could come out of the ground clean on one side and dark brown on the other.
New Member
United States
7 Posts
 Posted 05/22/2019  11:40 am  Show Profile   Bookmark this reply Add Krysthamp to your friends list Get a Link to this Reply
What do you think a out it being lighter and sounding different?
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United States
36516 Posts
 Posted 05/22/2019  1:14 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
What is the weight, please?
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United States
72053 Posts
 Posted 05/22/2019  3:12 pm  Show Profile   Bookmark this reply Add jbuck to your friends list Get a Link to this Reply
to the Community!

Your post was moved to the appropriate forum for the proper attention.
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United States
20453 Posts
 Posted 05/22/2019  3:53 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
To CCF! Just a damaged coin with Post Strike Damage ( PSD). Not an error coin.
More information about Die Deterioration? http://goccf.com/t/317950
Retired U.S. Mint Coin Die Set information. http://goccf.com/t/302961
1988 P LMC RDV-006, 1998 P LMC Wide AM, and 2000 P LMC Wide AM. http://goccf.com/t/327834 http://goccf.com/t/294303 http://goccf.com/t/312900
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
Valued Member
United States
342 Posts
 Posted 05/22/2019  4:18 pm  Show Profile   Bookmark this reply Add Big-Kingdom to your friends list Get a Link to this Reply
I'm not sold on environmental damage, but Looks like someone bronzed one side of it.

What is the weight of it please. is it over or under weight? and it really should be one or the other for this to be a true error, or a plated coin.

If it's not over or under weight, then it would be in the environmental damage category most likely.
Weight of it and more close up images would be helpful.



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United States
7 Posts
 Posted 05/23/2019  12:15 am  Show Profile   Bookmark this reply Add Krysthamp to your friends list Get a Link to this Reply
I don't know much about coins, but I hardly think this is environmental damage. The coin is LIGHTER than the standard quarters. I have a scale that says it weighs less. I made a video here is the link to view on Youtube for color, sound and weight to see in detail. Thank you for all of your help, I'm so curious!
New Member
United States
7 Posts
 Posted 05/23/2019  12:19 am  Show Profile   Bookmark this reply Add Krysthamp to your friends list Get a Link to this Reply
2dxUd2MMm8A
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 Posted 05/23/2019  12:27 am  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
Video not working.
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
Jefferson nickel doubled dies Wexler/Rebar complete listings

trail dies:http://www.traildies.com/
New Member
United States
7 Posts
 Posted 05/23/2019  12:35 am  Show Profile   Bookmark this reply Add Krysthamp to your friends list Get a Link to this Reply
2dxUd2MMm8A
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United States
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 Posted 05/23/2019  12:50 am  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
Still not working, But I can slide the scroll bar enough to see it is a coin that was found outdoors. Someone maybe have buffed off the red color on the obverse and left the corrosion on the reverse. But that is how coin found outdoors look.

When they are carry in a pocket for sometime, the higher devices return to silver in color and eventually more color comes back:

The red turns to black eventually.



If the cladding is missing the color will be a lot darker:

The coin will be lighter in weight and have a weaker strike. (on both sides) Note the coin above. On a normal coin found outdoors, the color is present, but the weakness of the strike will be full.

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
Jefferson nickel doubled dies Wexler/Rebar complete listings

trail dies:http://www.traildies.com/
New Member
United States
7 Posts
 Posted 05/23/2019  12:54 am  Show Profile   Bookmark this reply Add Krysthamp to your friends list Get a Link to this Reply
Thank you, will you try the video again tomorrow and tell me what you think after watching it please : )
Valued Member
United States
342 Posts
 Posted 05/23/2019  02:34 am  Show Profile   Bookmark this reply Add Big-Kingdom to your friends list Get a Link to this Reply
Saw your video. Your scale is the wrong scale for weighing grams and lower, its for pounds and ounces. And its rounding. Ideally it should have 2 or more decimal places,after the gram. The scale isn't accurate because it's not sensitive enough for lighter weights.. A quarter should weigh 5.67g. So obviously your scale is rounding and appears to be rounding down to a round gram and unable to do. Ideally grams should be the highest it could go up to an ounce or so, maybe 1 pound tops, it needs to be able to go down to centigrams or decigrams, even milligrams to have the sensitivity to weight coins accurately.
A postal scale doesn't cut it, some kitchen scales can do it, a jeweler scale or pharmacist scale could do it.


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United States
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 Posted 05/23/2019  11:38 am  Show Profile   Bookmark this reply Add Krysthamp to your friends list Get a Link to this Reply
Yes. I know that scale is for hair products I weigh out #129335;#8205;#9792;#65039; It's just so I can show people that it does weigh less than a standard quarter...all I had. I'm going to take it to a coin shop next week
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 Posted 05/23/2019  12:31 pm  Show Profile   Bookmark this reply Add Conder101 to your friends list Get a Link to this Reply
Even with that scale, to round down to 4 grams would mean the coin would have to weigh less than 4.5 grams. It is a good sign, but I would really prefer to see a more accurate weight, is grams to two places.
Gary Schmidt
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