1989 D Lincoln, 1-DR-007, Extra Columns?

Die Deterioration Doubling. Seen on the reverse one cent devices. USA is showing split plating from Machine Doubling. So you got both happening on your coin. Also on the USA there was heavy die polishing that made these devices smaller.
http://www.coppercoins.com/lincoln/...ie_state=mds
Not a DDR. The location of the mintmark is not a match for this coin. Just a normal coin with the other issues. Just a face value coin now.

Yea the doubling on the letters first caught my eye, but after more examination, I figured out that was nothing! Then I thought I could see those columns, but likely wishful thinking on my end!

But those are probably die scratches not hub doubling. Hub doubling creates on the die, a doubled device, thus the term doubled die. Die scratches are just a die event. Often seen on bays, but when they are fresher, they are seen above and below the building and not in a definite pattern as a die scratch.:
Die scratches:





Note the differences. Die scratches are closer together than the DDR mentioned above. They are in a pattern:
1994 DDR:

They will show the spacing like the hub has on it, that transferred twice when the die was created. Even these will be affected as the die ages:

Random die scratches are just a die event. The DDR is a doubled die.

CoopHome: [/b]What is the differences on die scratches on a Memorial cent, and a doubled die on the bays areas on Lincoln Cents?[/b]