Any ideas on what happened to this Jefferson?

I guess someone was having fun in their workshop, but I can't figure out how it ended up like this without showing a lot of scratches, tool marks or heat discoloration.
Proud recipient of the coveted "You Suck Award" (9/3/10).
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Comments
I don't see a photo!
I think it got stuck in a dryer for awhile
It got squished by something after leaving the mint. Not sure what, though, as I wasn't there when it happened.
Keeper of the VAM Catalog • Professional Coin Imaging • Prime Number Set • World Coins in Early America • British Trade Dollars • Variety Attribution
Abducted by aliens?
looks like PMD
maybe got trapped in some kind of machinery ?
Post mint damage.
Damaged by the Post Mint elves
Looks like a railroad track coin that was improperly placed and just received a peripheral hit... Cheers, RickO