2002 Lincoln Memorial Cent / LMC Die Scratches?

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Author	Replies: 5 / Views: 1,236
Papadoc75 Valued Member United States 441 Posts	Posted 12/22/2015 6:45 pm Are these just die scratches, or is this something else? Thanks. Report this Post to the Staff

CoinHuntingDrew Pillar of the Community United States 4932 Posts	Posted 12/22/2015 7:06 pm Bubbling with the plating I believe. Can't remember what it's called but it's extremely common. Report this Post to the Staff
Papadoc75 Valued Member United States 441 Posts	Posted 12/23/2015 08:25 am Interesting. I've never seen zinc rot look like that. I did a photo search and found a pic of a 1994 LMC with identical striations originating from this site but I couldn't access the actual forum. Edited by Papadoc75 12/23/2015 3:10 pm Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 12/23/2015 3:11 pm In the center it looks like a stain on the reverse of the coin. Report this Post to the Staff
Pete2226 Pillar of the Community United States 3330 Posts	Posted 12/23/2015 3:51 pm I am thinking that they may be polishing lines? Other possibilities: linear plating blisters or planchet striations. Quote: Plating blisters are hollow. They look similar to, but should not be confused with, solid blisters pushed up by subsurface corrosion. Solid blisters are pushed up by gas under the expanding metal. Zinc corrosion ("zinc rot") can be induced by contaminants trapped between the zinc core and the copper plating. A more common cause of zinc rot is the presence of a small perforation or tear in the copper plating. This allows oxygen and reactive compounds to reach the zinc core. This from: http://www.error-ref.com/?s=plating+blister Edited by Pete2226 12/23/2015 4:06 pm Report this Post to the Staff
Papadoc75 Valued Member United States 441 Posts	Posted 12/23/2015 7:15 pm Coop that is a stain on the reverse but I am talking about the striations on the obverse and reverse. There is no random bubbling occurring anywhere so I'm a bit off put to think zinc rot. I would love to see other examples of this somewhere. All I can find in searches are random spots on coins, never lines going across the coin on both sides. Report this Post to the Staff
	Replies: 5 / Views: 1,236

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2002 LMC Die Scratches?