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1984-P Lincoln Cent (Weight 2.29)

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Pillar of the Community

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 Posted 06/20/2025  5:02 pm Show Profile   Bookmark this topic Add gigi2110 to your friends list Get a Link to this Message Number of Subscribers
I found this coin few days ago and the weight is 2.29g, I need some help, I'm not sure what's going on here. I see what look like grease but not sure if that can take that much weight off the coin. As always your input will be greatly appreciated. Thank you!
1984-P-Lincoln-Cent-Weight-2.29
1984-P-Lincoln-Cent-Weight-2.29
1984-P-Lincoln-Cent-Weight-2.29
Side by side with another 1984-P that has notmal weight:

1984-P-Lincoln-Cent-Weight-2.29
gigi2110
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CoinForMe's Avatar
United States
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 Posted 06/20/2025  5:27 pm  Show Profile   Bookmark this reply Add CoinForMe to your friends list Get a Link to this Reply
Interesting, I'm on the sidelines for this one and ready to learn.
I hope you get the answer from one of the experts here.
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 Posted 06/20/2025  5:32 pm  Show Profile   Bookmark this reply Add gigi2110 to your friends list Get a Link to this Reply
Thank you CoinForMe!! I'm ready to learn too
gigi2110
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JimmyD's Avatar
Canada
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 Posted 06/20/2025  5:33 pm  Show Profile   Bookmark this reply Add JimmyD to your friends list Get a Link to this Reply
Grease would not take any weight of off the coin.
I think what you have is a thin planchet. There is not
enough metal left after the centre fills in to fully fill in
the outside.
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 Posted 06/20/2025  5:46 pm  Show Profile   Bookmark this reply Add gigi2110 to your friends list Get a Link to this Reply
Thank you JimmyD!


Quote:
Grease would not take any weight of off the coin. I think what you have is a thin planchet


I imagined that would be thin planchet. thank you for the confirmation.
gigi2110
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Errers and Varietys's Avatar
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 Posted 06/20/2025  6:09 pm  Show Profile   Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
Nice find. I agree with the Thin Planchet assessment.
Errers and Varietys.
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 Posted 06/20/2025  6:16 pm  Show Profile   Bookmark this reply Add gigi2110 to your friends list Get a Link to this Reply
Thank you E&V!!
gigi2110
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CoinForMe's Avatar
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 Posted 06/20/2025  6:46 pm  Show Profile   Bookmark this reply Add CoinForMe to your friends list Get a Link to this Reply
JimmyD / Errers and Varietys, I did a little searching and you both are correct, "Thin Planchet". Thank you!

AI search results: What Happens When a Thin Planchet Is Used?
The coin may strike with weak or incomplete details, especially around the rims.
It often weighs less than the standard for that coin type.
May also look slightly smaller in diameter if the metal didn't expand fully during the strike.
Edited by CoinForMe
06/20/2025 6:49 pm
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 Posted 06/20/2025  7:02 pm  Show Profile   Bookmark this reply Add gigi2110 to your friends list Get a Link to this Reply
@CoinForMe, thank you for that information!

You can also look at this site:

https://www.error-ref.com/?s=Thin+planchet
gigi2110
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-makecents-'s Avatar
United States
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 Posted 06/20/2025  7:09 pm  Show Profile   Check -makecents-'s eBay Listings Bookmark this reply Add -makecents- to your friends list Get a Link to this Reply
Very cool find, gigi! I may need to go back and look through my extreme greasers, do not think I have ever weighed them. They may not all be greasers.


CoinForMe, you may want to be careful of what the AI puts out there, it's still learning....
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CoinForMe's Avatar
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 Posted 06/20/2025  7:17 pm  Show Profile   Bookmark this reply Add CoinForMe to your friends list Get a Link to this Reply
Thanks gigi
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CoinForMe's Avatar
United States
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 Posted 06/20/2025  7:21 pm  Show Profile   Bookmark this reply Add CoinForMe to your friends list Get a Link to this Reply
-makecents- Wrote:

Quote:
CoinForMe, you may want to be careful of what the AI puts out there, it's still learning.

Not searching for politics... just kidding. Yes, you're right, thanks for the heads up.
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 Posted 06/20/2025  7:35 pm  Show Profile   Bookmark this reply Add gigi2110 to your friends list Get a Link to this Reply
Thank you makecents!!


Quote:
do not think I have ever weighed them


If I'm honest, I don't even know why I weighed this coin, the only coins I weigh are 1982-D small date, 1983s, 1989s, and 1990s, but that day I just put the coin on the scale without a second thought, under other circumstances I would have just put it aside like a Struck Through Grease without weighing it. From now on I will weight any coin that seems to be greasy, it could be rolling thin or tapered planchet


Quote:
Thanks gigi


gigi2110
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Dearborn's Avatar
United States
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 Posted 06/20/2025  8:07 pm  Show Profile   Bookmark this reply Add gigi2110 to your friends list Get a Link to this Reply
Thank you Dearborn!
gigi2110
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ijn1944's Avatar
United States
19159 Posts
 Posted 06/20/2025  8:38 pm  Show Profile   Bookmark this reply Add ijn1944 to your friends list Get a Link to this Reply
Gotta agree, appears to be a thin planchet issue.
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