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Steel 2017 d penny?
Greg311
Posts: 2 ✭
in Q & A Forum
Has anyone seen this before and why does it look like this?
0
Greg311
Posts: 2 ✭
Greg311
Posts: 2 ✭
Greg311
Posts: 2 ✭
Greg311
Posts: 2 ✭
Has anyone seen this before and why does it look like this?
Comments
Sometimes high heat will turn them a silver color. Of course there are other reason which I'm sure you will hear about.
Does it stick to a magnet? If yes steel, If no, PMD
Young Numismatist/collector
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Welcome to the CU forums @Greg311.
Copper layer has been removed. Your looking at the zinc core.
Back in the day when science experiments were done in school. Now the internet is the teacher.......
https://sciencewithscreens.blogspot.com/2016/08/experiment-59-stripping-copper-coating.html
Yup, that outer layer of copper is mighty thin.
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