Error Planchet | 1972 P cent with super thin planchet wrong weight

[Sheila ruley]

Check out the this super thin cent that weighs only 2.21 grams. Thoughts?

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[kloccwork419]

Man. I’m not sure on this one. US mints made many foreign coins that weighed around 2.5 back then. I’m not sure from the picture but could be struck on a foreign planchet. If it was a thin planchet I think a lot of details would be missing. Or just pmd. Try messaging mike diamond. He would know. Hard to tell from a pic on these but it looks promising

[mikediamond]

This cent was immersed in a corrosive solution (probably an acid) for a prolonged period. It's not an error.

[kloccwork419]

See, easy as that!!. Thanks Mike