What Causes This "tiger-Stripe" Effect On Some 1940-S Pennies?

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Author	Replies: 5 / Views: 3,502
SamCoin Pillar of the Community United States 3237 Posts	Posted 03/27/2020 2:37 pm I've noticed that a lot of 1940s pennies have this striped effect almost like the alloy wasn't mixed properly and oxidized differently in different places. Does anyone know what causes it and why it happened so much on these dates? Report this Post to the Staff

GrapeCollects Pillar of the Community United States 8938 Posts	Posted 03/27/2020 2:47 pm Improperly mixed planchet more commonly known as a "woodie" or woodgrain cent. Report this Post to the Staff
Spence Moderator United States 34410 Posts	Posted 03/27/2020 2:57 pm @sc, here is an old CCF thread with 24 pages worth of so-called woodie coins. Yours is in good company! http://goccf.com/t/232926 "If you climb a good tree, you get a push." -----Ghanaian proverb "The danger we all now face is distinguishing between what is authentic and what is performed." -----King Adz Report this Post to the Staff
SamCoin Pillar of the Community United States 3237 Posts	Posted 03/27/2020 3:00 pm Thanks, guys! Figured there had to be a term for this, but could never find anything. Report this Post to the Staff
T-BOP Rest in Peace United States 18456 Posts	Posted 03/27/2020 5:10 pm Looks like a Woodie alright ,but how do we explain the vertical line areas of normal copper on the right side of coin ? Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 03/27/2020 7:37 pm That area on the stock material was not mixed completely. It happens. Report this Post to the Staff
	Replies: 5 / Views: 3,502

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What Causes This "Tiger-Stripe" Effect On Some 1940-S Pennies?