WHAT is going on here? 1992

Looks like the mint mark was spot welded on. (excuse the bad photos.

 

Log in or Sign up to hide this ad.

A combination of environmental damage and zinc rot would be my best guess.

 

Yes to Zinc Rot
http://www.error-ref.com/zinc-deterioration-on-lincoln-cents/
@Tski90

 

Thank you. More reference material, very helpful.

 

Thank you for your response, I would suspect that this is common and not a collectable

 

Zincrud on Zincolns is the biggest blunder the Mint has ever made!

Chris