1971 D error quarter

Hello,

This is my first post, so please excuse me for any mistakes.

I recently found a 1971 D quarter that seems to have an error. It's really off looking, like a different metal on the reverse. Doing some online research I found that it's similar to an "orphan quarter". I'm still trying to learn more about it. It weighs 4.565g.

Would you all be able to help me learn more about it? Also, what is it worth?

Thank you!!!

 

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PMD. That is not an error. Short damaged

 

Thank you for replying. How would PMD affect the weight of the coin? Does that mean a part of the coin is missing? It's so much lighter than other quarters. A 1971D usually weight 5.67gm.

Thank you so much for your time and answers.

 

Hey coinkid,
If you really think it's an orphan quarter send it in to have it graded. The reverse looks odd, could be post mint damage but you never know. If it's an orphan, it won't be worth much because there's definitely some PMD on the obverse of it.

https://www.coinworld.com/news/us-coins/2017/01/orphaned-washington-pair-is-a-real-mystery.all.html

 

It appears to be a normal clad planchet, you can see where the copper nickel outer layer has peeled away showing the copper core at the bottom of the obverse. Most likely it has been subjected to some kind of acid.

 

Thank you for your reply. I read this article, that would be really neat if it is an orphan quarter! Another reply mentioned acid damage. Either way, it's made for great conversation and learned some new things.

 

I never thought about that being an option. I'm going to look for other examples of acid damage on coins.

Thank you for your reply

 

Any idea what type of error ? Annealing error? Value?

 

Absolutely Post mint damage, not an error of any kind. Can't tell if it's chemical or mechanical (I'm leaning towards chemical), but whatever caused this happened after the coin was struck and left the mint.

 

Also missing the collar. I'm not convinced its post damage but it does have error

 

This annealing error?Has a copper color.

 

If it was struck without a collar, it would have a larger diameter, yours does not. In addition, coins are struck under tons of pressure which causes metal to flow into the devises. A coin cannot have an the grainy surfaces and fuzzy letters if it were die struck, even if it was a defective planchet. However, exposure to chemicals, can leave an etched appearance like the surfaces of your coin.

Your Iowa quarter suffered environmental damage.

Both are PMD, not errors

 

What I miss ?