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<p>[QUOTE="gsimonel, post: 3564666, member: 82549"]Probably wouldn't be accurate. Hydrogen was the first element formed, probably a few hundred thousand years after the Big Bang. Maybe a million. All the lighter elements formed in the first stars, but silver wasn't formed until those first stars used up all their nuclear fuel and went supernova, ejecting clouds of heavier elements, which then needed to accrete and condense into new stars that eventually used up their fuel, too, and went supernova, thus creating clouds containing some heavier elements that condense into stars and repeating the process. So you're looking at, probably, a couple of billion years or so before the cycle repeated enough times to form silver. Could be a little less because a lot of those earliest stars were pretty short-lived because of their size. I think if you dated the silver to around 11-11.5 billion B.C. you'd be safe. That's still pretty old for a Greek coin though, so I'd certainly buy it.[/QUOTE]</p><p><br /></p>
[QUOTE="gsimonel, post: 3564666, member: 82549"]Probably wouldn't be accurate. Hydrogen was the first element formed, probably a few hundred thousand years after the Big Bang. Maybe a million. All the lighter elements formed in the first stars, but silver wasn't formed until those first stars used up all their nuclear fuel and went supernova, ejecting clouds of heavier elements, which then needed to accrete and condense into new stars that eventually used up their fuel, too, and went supernova, thus creating clouds containing some heavier elements that condense into stars and repeating the process. So you're looking at, probably, a couple of billion years or so before the cycle repeated enough times to form silver. Could be a little less because a lot of those earliest stars were pretty short-lived because of their size. I think if you dated the silver to around 11-11.5 billion B.C. you'd be safe. That's still pretty old for a Greek coin though, so I'd certainly buy it.[/QUOTE]
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