Is This A Zinc? - Coin Community Forum

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Author	Replies: 5 / Views: 1,186
krupski60 Valued Member United States 80 Posts	Posted 12/17/2014 1:20 pm hi all, been awhile since my last post, but found this in pocket change. my question is: does the area look like explosion and then has white milky substance indicate it is more zinc then copper. I saw that explained on other post. I know from research that zinc became main Ingredient metal in 1982 and shows zinc rot. take a look and let me know. tanks, Report this Post to the Staff

coop Bedrock of the Community United States 62064 Posts	Posted 12/17/2014 1:30 pm The area in question is a contact mark on your coin. The 1980 cents had the copper planchets. So zinc wasn't even possible until 1982 when there are copper or zinc planchets used that year. 1983 forward are what I call "Zincolns". Report this Post to the Staff
CoinCollector2000 Pillar of the Community United States 2563 Posts	Posted 12/17/2014 1:35 pm Not zinc rot. That's the copper reacting with the air creating verdigris. Report this Post to the Staff
krupski60 Valued Member United States 80 Posts	Posted 12/17/2014 1:37 pm tanks coop, but could this been from a batch of test planchets? you often say that there are coins on wrong metal, right? I look forward to your reply. tanks, Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 12/17/2014 1:40 pm Best way to tell is to weight it. The weights are different from copper to zinc. But just by seeing the color, my money is on copper planchet. Report this Post to the Staff
CoinCollector2000 Pillar of the Community United States 2563 Posts	Posted 12/17/2014 2:01 pm It's for sure a copper planchet from my point of view. Way to stay optimistic though. Report this Post to the Staff
	Replies: 5 / Views: 1,186

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