1991 D dime on a 1 cent planchet ?

I came across this 1991 D dime that looks to me like a copper planchet, if you what you think I would be very grateful, thanks a lot.

 

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How would a cent fit in the chamber of a press set up to strike dimes?

 

Your dime was not struck on a cent planchette. From your pics I see reeding on opposing sides of the coins rim. If a cent planchette somehow made it to the striking chamber for dimes it would not fit into a dimes collar which is the devise that gives reeded edge coins there reeded.
Most likely your coin has suffered environmental damage.

 

https://www.cointalk.com/threads/environmental-damage-or-works-of-art.289634/
USMC60

 

@Breadwinner1983
Is there something you are trying to share with us?
Don't quote anyone just state what it is and hit Post.

 

Well I was going through some pennies on my spare time and came across this what do u think??

 

What do you see? Can you post a picture?

 

I have the same dime

 

It's called Environmental Damage.
Long time exposure to the elements will tone tje Cupro-Nickel clad layer a darker color. It os not a Dime struck on Cent Planchet. It is not a mint error.
Here are examples from my metal detecting finds

 

@paddyman98 Wash those dirty Coins , LOL

 

I did. That's the way they end up. The dark toning does not revert back to the normal clad coloring.
They are not dirty but darkened.

 

Run, don't walk, and go get a tetanus shot immediately.

 

View attachment 1198233

 

Okay I uploaded 1991 D dime

 

@Kristen Kirsch
Your Dime is also environmental damage.
Just like the examples I have shown.
It is not a mint error.

 

Every coin on this thread was damaged by the environment. None of them are Mint errors.

 

Yeah sure, 1990, has on penny, they always say that here, then I'll see something like this that others have the same,

 

There, I have seen all of them online, either in couch collectables or blue ridge

 

@Kristen Kirsch
Send yours off to a TPG for attribution and post the results when you get it back

 

That’s heavily eroded. You could probably toss it in sodium thiosulfate to remove the iron oxides