What Causes A Lincoln Cent To "wood Grain"

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Author	Replies: 12 / Views: 10,351
Timmy30 Valued Member United States 155 Posts	Posted 02/01/2011 4:01 pm Found a 1980 (year of my birth ) Lincoln Cent that look wood grain in a vertical pattern behind Abe's Bust. I have seen this term used on the forum and am curious as to how it happens. I apologize for the terrible scan. Edited by Timmy30 02/01/2011 5:21 pm Report this Post to the Staff

Scooby Due Pillar of the Community United States 4000 Posts	Posted 02/01/2011 4:04 pm It is an improper mix of the alloys used to make the blanks that eventually become coins. Some of them can be quite attractive and command a small premium to the right collector. Report this Post to the Staff
Timmy30 Valued Member United States 155 Posts	Posted 02/01/2011 4:08 pm Pics coming soon Scoobs. At the moment I am resorting a bucket of copper cents that I just accidentally tossed 80 non-copper cents into Report this Post to the Staff
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 02/01/2011 4:40 pm Wood grain Wheaties are typically caused by improper alloy mixtures of the planchets. Just like wood, there is a "grain" to it, mostly parallel but not necessarily linear. IMO, it is more problematic to attribute more modern Memorials with thin dark linear parallel lines to an alloy issue when they have a vastly different appearance from the obvious alloy issues such as the coin above. I suspect that these lines were caused by contamination(oil, grease, whatever) on the rollers that set the thickness of the metal stock before the blanks are punched. Edited by biokemist6 02/01/2011 4:45 pm Report this Post to the Staff
Scooby Due Pillar of the Community United States 4000 Posts	Posted 02/01/2011 4:42 pm Oooh nice bio! I like that one! Report this Post to the Staff
coppertop5150 Pillar of the Community United States 958 Posts	Posted 02/01/2011 5:14 pm biokem , is 1919 a year with alot of improper planchets? I have one and seen a few on ebay in the past. Report this Post to the Staff
Timmy30 Valued Member United States 155 Posts	Posted 02/01/2011 5:23 pm pic posted and I believe that I do not have a wood grain cent. I believe bio is correct and there must have been some contaminant at the blank stage. Report this Post to the Staff
Scooby Due Pillar of the Community United States 4000 Posts	Posted 02/01/2011 5:33 pm That's what I meant to say. Report this Post to the Staff
Tunnioc Pillar of the Community United States 3170 Posts	Posted 02/01/2011 7:12 pm Some of my recent woody finds ! I just hang on to them because I like them! Report this Post to the Staff
vermontensium Moderator United States 16677 Posts	Posted 02/01/2011 7:41 pm Here is my wackiest: swcoin.ecrater.com Report this Post to the Staff
BadThad Bedrock of the Community United States 19931 Posts	Posted 02/01/2011 9:12 pm Stop torturing me with that 1919 bio! Lincoln Cent Lover! VERDI-CARE™ INVENTOR https://verdi.care/ Report this Post to the Staff
jbuck Moderator United States 187702 Posts	Posted 02/02/2011 10:58 am The 1919 is a beauty, but that 1916 is no slouch, either! Quote: IMO, it is more problematic to attribute more modern Memorials with thin dark linear parallel lines to an alloy issue when they have a vastly different appearance from the obvious alloy issues such as the coin above. I suspect that these lines were caused by contamination(oil, grease, whatever) on the rollers that set the thickness of the metal stock before the blanks are punched. This was worth repeating. Coin Collector Since 1978 Avatar Old Avatar 7070 Eisenhower Australia Canada World CCF Members on eBay CCF eBay Search Engine Report this Post to the Staff
carmykle Pillar of the Community United States 2448 Posts	Posted 02/02/2011 11:13 am Wow, me likey Vermont's 1916! Report this Post to the Staff
	Replies: 12 / Views: 10,351

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What Causes A Lincoln Cent To "Wood Grain"