TWO DIFFERENT 1930-S CENTS

found this lincoln cent last week very interesting about the weight & thickness.
I checked for steel planchet with a magnet because of the weight won't pick up.
Ken.
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found this lincoln cent last week very interesting about the weight & thickness.
I checked for steel planchet with a magnet because of the weight won't pick up.
Ken.
Comments
Looks really weird. I don't really know what to say. Maybe it is a cast counterfeit?
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Better pictures would help. Possibly acid treated. You can actually make very thin cents that way. People also would try to get them down to dime size for phones and vending machines.
Probably acid treated. Used to happen a lot, probably from kids in chemistry class messing around with the coins in their pockets, and later spending them.
Thank for the info!
Could it have been thin metal coil or planchets?
Disclaimer: I'm not a dealer, trader, grader, investor or professional numismatist. I'm just a hobbyist. (To protect me but mostly you! 🤣 )
not only is it thinner you'll notice the diameter is smaller
something on the outside ate some metal away
acid treated would cause that
Have seen many of these. It has been attacked by acid which eats away the rims first
which accounts for the lighter weight and smaller diameter.
In addition to what @CaptHenway said; Kids in chemistry class back in the 50's and 60's would acid treat them down to the dimensions of a dime and spend them in candy and soda machines.
Disclaimer: I'm not a dealer, trader, grader, investor or professional numismatist. I'm just a hobbyist. (To protect me but mostly you! 🤣 )
The piece on the left is definitely damaged. And yes, acid does reduce the size of cents. Many years ago I had a 1907 Indian Cent that was a little thicker than a sheet of paper.
Odd man out against the experts. The surface of that coin does not look acid treated at all. If it were acid treated, it was polished afterwards. I find it hard to believe but possibly a contemporary counterfeit yet if that were so, more would have been discovered by now. Need sharp pictures.
it may have continued to circulate
Damaged, and not a mint error coin
Agree. Definitely corroded. Is the size/shape of the mint mark OK? Hard to explain the difference in weight and diameter. The edge looks pretty normal and not etched with acid. @CaptHenway