90 Degrees Rotated Die Quarter Found Metal Detecting

Hi. My name is Roberto and I practice metal detecting as a hobby. I find all kind of coins and relics everywhere I dig. I recently found a 1981 US Quarter with a pronounced bump on the reverse. Right over the chest of the eagle. Some of my buddies agreed that the bump is a PMD from a fire or exposure to the environment. However, while cleaning I noted that the reverse also has a 90 degrees rotation. I also see issues on the edge. So this is, in my view, a once in a lifetime find and am very excited about it. Would you please add any comments about my find?

 

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Not sure if I have the right terminology. But the exposure to the environment caused a separation between the cladding.
This is more common when heat is applied to a clad coin.
Welcome to CT @Roberto Mercado

 

I agree . Welcome.

 

Hola Roberto. Bienvenido a CoinTalk.
I also Metal Detect and I have dozens of Detecting threads on this forum.

 

Gracias! Im still learning how to navigate this site, but will try to find those threads.

 

Here is today's thread -
https://www.cointalk.com/threads/metal-detecting-5-silver-coins-usmc-civil-war-button.370005/