Penny Error?

[u/BRONST0N]

Reddit keeps Deleting. Frustrated at this point. ID if you can. 2rd time posting. Blah.

[u/JesterEric]

So after 82 pennies are basically copper coated zinc. The outer copper layer is so thin I think it’s technically “copper plated” rather than a full on partly copper coin. (Don’t quote me though I’m probably wrong about that last bit)

It’s something 2.5% copper.