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1984 Philadelphia LMC With Large (Raised & Solid) Dot Above 9

 
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 Posted 04/08/2021  01:10 am Show Profile   Bookmark this topic Add JohnWayne007 to your friends list Get a Link to this Message
I was checking out a bag of Lincoln cents I have been gradually adding to and I came across this.

At first I thought it was just a plating blister like the ones in front of Lincoln's head and nose, until I got it under the microscope, I tried poking it with a tooth pick and even my nail and it did not budge or decompress. My second thought was a die chip, however it looks fairly deep if that were the case.

Any input would be appreciated.




Aggressively searching Canadian Small Cents on a daily basis since 2018.

Some of my Discoveries.
1941 George VI 1 Cent DDO http://www.coincommunity.com/forum/...IC_ID=367977
1976 Queen Elizabeth II 1 Cent DDO http://www.coincommunity.com/forum/...IC_ID=373627
1970 Queen Elizabeth II 1 Cent DDR http://www.coincommunity.com/forum/...IC_ID=364301
1989 Belize 25 Cent's with a Doubled Die Reverse http://www.coincommunity.com/forum/...IC_ID=362747
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 Posted 04/08/2021  01:14 am  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
If you have a tablet, look closely in the center of that raised area. You will see a very small piercing with a straight pin or needle, through the plating. This allows oxygen in, starting the zinc rot. That is what started that area to look like that.



Richard S. Cooper
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Edited by coop
04/08/2021 10:01 am
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Canada
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 Posted 04/08/2021  01:32 am  Show Profile   Bookmark this reply Add JohnWayne007 to your friends list Get a Link to this Reply
Coop, it's not pierced, just a super convenient brown spot/blemish like the ones found N/E a couple mm from the dot.


Aggressively searching Canadian Small Cents on a daily basis since 2018.

Some of my Discoveries.
1941 George VI 1 Cent DDO http://www.coincommunity.com/forum/...IC_ID=367977
1976 Queen Elizabeth II 1 Cent DDO http://www.coincommunity.com/forum/...IC_ID=373627
1970 Queen Elizabeth II 1 Cent DDR http://www.coincommunity.com/forum/...IC_ID=364301
1989 Belize 25 Cent's with a Doubled Die Reverse http://www.coincommunity.com/forum/...IC_ID=362747
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 Posted 04/08/2021  02:42 am  Show Profile   Bookmark this reply Add merclover to your friends list Get a Link to this Reply
The photo needs to be a bit closer and a bit sharper. There appears to be a pin-point blemish in the centre of the bubble. If that is not a piercing coop mentioned then indeed you have a die chip. 1984 was a good year for zinc rot. Look for the plating to split around the numbers, and your zinc rot will emerge. Sorry I can't be a bit more specific, it's just these things take time.

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 Posted 04/08/2021  08:55 am  Show Profile   Bookmark this reply Add JohnWayne007 to your friends list Get a Link to this Reply

Quote:
Sorry I can't be a bit more specific, it's just these things take time.


No worries merclover!
I will try and get closer/clearer photos later this afternoon when I'mádone work, I have seen die chips similar to this before, like the 1964 Canadian dot penny. But I also know that 1983 and 1984 Lincoln zinc cents also had a lot of issues with zinc rot bubbles, if you notice there is a bubble under directly south of the "8" that I decompressed with my nail without an issue, as with two others infront of Lincolns face, when I tried with the big dot it was solid and did not budge so I assumed it was a die chip, but that perfectly round?
Aggressively searching Canadian Small Cents on a daily basis since 2018.

Some of my Discoveries.
1941 George VI 1 Cent DDO http://www.coincommunity.com/forum/...IC_ID=367977
1976 Queen Elizabeth II 1 Cent DDO http://www.coincommunity.com/forum/...IC_ID=373627
1970 Queen Elizabeth II 1 Cent DDR http://www.coincommunity.com/forum/...IC_ID=364301
1989 Belize 25 Cent's with a Doubled Die Reverse http://www.coincommunity.com/forum/...IC_ID=362747
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 Posted 04/08/2021  09:01 am  Show Profile   Check Tanman2001's eBay Listings Bookmark this reply Add Tanman2001 to your friends list Get a Link to this Reply
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 Posted 04/10/2021  4:07 pm  Show Profile   Bookmark this reply Add mikediamond to your friends list Get a Link to this Reply
This doesn't appear to be a plating blister or a corrosion dome. Instead it appears to be a perfectly circular die dent.
Error coin writer and researcher.
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