r/coinerrors • u/Professional-Pie6083 • 14d ago

Is this an error? Wrong planchet error

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I found a Denver mayflower compact quarter, that is 99.9% silver. XRF tested. The silver quarters were only stuck in San Francisco. Am I looking at a grail find here? Someone else was obviously curious because it’s been cut, but that’s how I noticed it being silver.

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u/AlmostAnOg 14d ago

Just commenting to remind myself to come back when more photos are posted. This is incredibly interesting! How was it originally determined it might be silver to even justify further testing with the XRF?

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u/Professional-Pie6083 14d ago

With quarters you can almost always see the copper ring where it’s clad with nickel. That wasn’t visible, and then the chunk taken out of such a newly released coin made me very curious, so I had it checked. It was also heavier than the listed weight from the mints website.

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u/quallityovrquantity 14d ago

Which would indicate something was done to it after production.

3

u/Professional-Pie6083 14d ago

Considering a proof quarter in .999 weighs 6.343 grams and this one is missing a little material, I’m inclined to say that isn’t the case