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1971s prototype working dies
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3 posts in this topic

I have only seen these mentioned in the context of PCGS. These are the ones supposedly for Gasparro during the design process to make tweaks right? If so I think the only 3 known to exist have been certified. You may want to post some pics and get some opinions before submitting. I know little about it other than a vague memory of an article I read, but it seems like it is a loooooong shot. 

Edited by Woods020
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I've been asked about research on these critters, but with NARA basically closed, the project files are not yet available. None of these coins should be "authenticated" as something unusual/different until they are independently examined and researched. As I've counseled several persons/companies: do not accept any proposed title or other information until research is complete. (The coin will not magically change, as happened with some 1804 dollars.)

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