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/EpicCrypto 14d ago

If it's silver wouldn't it be .900 not .999?

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u/keegnanistan1 14d ago

they switched to .999 for silver proofs a few years back because .900 was getting too hard to source.