What Causes These Lines On A Penny...?

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Author	Replies: 9 / Views: 1,947
wert Rest in Peace 1988 Posts	Posted 12/30/2011 6:15 pm Hi guys Does anyone know what causes lines like the ones on this 2005 Canadian penny...? These lines do not touch the date or words, but everything else. Edited by wert 12/30/2011 6:16 pm Report this Post to the Staff

coincollect1 Pillar of the Community Canada 1731 Posts	Posted 12/30/2011 7:54 pm Im pretty sure this is a type of finish, I remember seeing this on a coin? out of a set Report this Post to the Staff
Apollo Pillar of the Community Canada 1610 Posts	Posted 12/30/2011 8:03 pm I think it occurs on well struck or first minted coins. Got the same type of lines on my 2 Francs. I could be wrong: Report this Post to the Staff
ErrorCoins222 Pillar of the Community United States 1699 Posts	Posted 12/30/2011 8:06 pm I'm not sure, but I think they are caused during the plating process. Report this Post to the Staff
Ugly Pillar of the Community Canada 1733 Posts	Posted 12/30/2011 8:49 pm The plating process causes that pebbled surface look when you gaze across the surface of the coin. It's from plating and replating and plating again over the top of a slightly imperfect surface (rolled steel). It's possible to see striations on older coins that are an alloy problem, but that's a different matter. This is die transference, there are mentions of them here and there in the various forums. Whether accidental from some die cleaning process or intentional as part of the finish (like on silver maples) they come from the die. WHAM. Lines. Report this Post to the Staff
wert Rest in Peace 1988 Posts	Posted 12/30/2011 8:50 pm Don't remember ever seeing it on a Canadian penny before. Just a strange sort of finish isn't it...? Report this Post to the Staff
ikandiggit Pillar of the Community Canada 1166 Posts	Posted 12/31/2011 08:21 am Ãt's fairly common on the newer cents. Report this Post to the Staff
SPP-Ottawa Moderator Canada 10458 Posts	Posted 12/31/2011 09:55 am Nice photos wert! "Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search." -- J. Robert Oppenheimer Content of this post is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. See: http://creativecommons.org/licenses...0/deed.en_US My eBay store Report this Post to the Staff
wert Rest in Peace 1988 Posts	Posted 12/31/2011 2:57 pm Thanks SPP-Ottawa...All I do is point my new USB Microscope at it and it does all the work for me...Just love my new toy..... Report this Post to the Staff
Nevol Formerly nancyc Australia 5385 Posts	Posted 12/31/2011 3:07 pm Possibly Die Polish Lines? life is a mystery to be lived not a problem to be solved Report this Post to the Staff
	Replies: 9 / Views: 1,947

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