I'm not sure either, its a crazy one, thats for sure
has polishing lines too
Heres a couple of photos of the doubling on the first column...
Heres some wavy step...
Heres a couple of more photos to add...
I think its coppercoins DDR #3, heres the link http://www.coppercoins.com/lincoln/diestate.php?date=2008&die_id=2008p1dr003&die_state=mds
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