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All Forums Category: US Coins and Currency Forums Forum: US Modern Variety and Error Coins

1987 D Penny Possible Doubling On Date?

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Mulhollen
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 Posted Today  3H 8M ago Show Profile   Bookmark this topic Add Mulhollen to your friends list Get a Link to this Message Number of Subscribers
First post guys!
I think I stumbled upon something. I can't find known error on this coin however it seems to be some sort of doubling, die or double strike I have no clue. lol. What do y'all think? Thanks for your help!
1987-D-Penny-Possible-Doubling-On-Date?
1987-D-Penny-Possible-Doubling-On-Date?
1987-D-Penny-Possible-Doubling-On-Date?
Petespockets55
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 Posted Today  32M ago  Show Profile   Bookmark this reply Add Petespockets55 to your friends list Get a Link to this Reply
Welcome.
If you are referring to the raised "circle" below the mint mark, that is a plating blister.
It is caused by a break in the copper layer that allows the underlying zinc layer to oxidize. As it oxidizes, it expands, creating the raised area.
Sometimes, the break in the copper layer is more obvious than other times.
Words of encouragement are one of the major food groups.
We need to consume them regularly to thrive and grow.
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ijn1944
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I'm thinking obverse Die Deterioration is in-play as well. Note the emerging ridge ring--a key indicator of Die Deterioration.
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