My grandson and I were trying out his new scale by looking at 1983 coins to see if we could find a copper one. After weighing many pennies and about 20 1983 ones that weighed the expected 2.5 grams, we found one that weighed 2.8 grams. I call it my parking lot penny, because I always pick them up and this one had the reverse scratched like most of the ones I picked up.
I have searched for hours on the internet for why it could weigh 2.8 grams. The thicker zinc stock is the best answer I could find. Is this common?


After taking the pictures I noticed that the front is also offset!

It takes a fairly hard scratch to show the zinc, see the above 2015 cent.
I have searched for hours on the internet for why it could weigh 2.8 grams. The thicker zinc stock is the best answer I could find. Is this common?
After taking the pictures I noticed that the front is also offset!
It takes a fairly hard scratch to show the zinc, see the above 2015 cent.
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