Letters go under the rim.. What kind of error?

I asked a question about this coin before. Please look closely at the T in UNITED and the letters in AMERICA on the reverse, also the date liberty and the motto. The lettering has spread out from the center and tops of some letters are "under the rim". I've been unable to find this error elsewhere. Some said the pics were out of focus. The coin is actually so distorted that even when focused it looks out of focus. It's probably DDD but what about the spread away from the center?

 

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To be honest, these close ups show some severe die deterioration as per the way the metal flow is showing. Just one random opinion of course and not meant to burst a bubble.

 

Is that coin zinc or copper? If zinc, may I bring your attention to this thread of mine. https://www.cointalk.com/threads/1982-p-quarter-rim-restricted-design-duplication.257293/

Your coin looks similar to the rim of my quarter. Mike diagnosed a form of die deterioration. Die deterioration would also cause the "blobbyness" of the letters.

Acid also causes this "blobbyness", but it doesn't explain the rim above the letters.

Just brainstorming out loud. Wait on another answer. I'm not sure.

 

I doubt it's acid since I found it in a bank roll unless someone did it and just dumped it. It looks like DDD on the lettering but it's pretty severe. I have found other 1982's that are really deteriorated. They must have had a low budget for quality control. It is zinc 2.51 grams.
As you said it doesn't explain the lettering under the rim.
Thanks for your reply.

 

It could be die attrition error but in the examples you link to the letters are over and on the actual rim in the first example and the second example has a blank band between the rim and letters. So mine is similar to, but not exactly the same as the examples. Thanks for the information. In particular the T in united almost looks like an I since most of the horizontal bar is under the rim, also the C in AMERICA.
No bubbles to burst here... LOL (my bubbles have been burst so many times I don't worry about it anymore).
I don't think it's a big find just my first time seeing this. I just want to understand how this happens.

 

1982 was a horrible year for the new zinc coins.

 

I had coins like yours the effects on the 1982 are dies at there old stage near death I would say, plating issues on these are atrocious ,,,,,,,,cheers.

 

i lean toward die deterioration and then an acid dip. Coins that have been damaged turn up in bank rolls all the time.

 

just out of curiosity what kind of acid do "they" use?

 

Another possibility could be the coin was battered as it rattled around in a commercial dryer. This causes the rims of coins to be knocked about until the metal folds over onto the outer legends. Here's an extreme case with a Canadian cent.

 

Ended up being a cool looking coin in the end.

 

I doubt it's a dryer. The coin has very few scratches or rim damage.

 

Thanks everyone for taking the time and the answers.

 

It's a case of peripheral die expansion and erosion. The phenomenon is only known among 1982 cents (several die pairs).

http://www.error-ref.com/peripheral-die-expansion-and-erosion/

 

Cool to know! I haven't looked at that yet on error-ref.com. Thanks Mike!

 

Australia cent

 

Oh right...shows how much the rim is rolled over, eh?

 

Hey thanks Mr. Diamond. That's my coin!

 

My next question is. Is it valuable?

 

Wow--that's interesting...I had no idea!