Closes thing i found to an error, 1985, see in the bays of the memorial where it's raised? If this is Mint Damage, what would it be termed as, i just pulled "die crack" out of my own.
I was going to agree - die clash - but Lincoln does not align with this spot on the coin. So now I'm not sure.
How about now! Remember that the Obverse and Reverse are normally 180 degrees off-set from each other. Frank